resolved conflict with upstream commit

src/test/codegen/align-struct.rs

@@ -29,7 +29,6 @@ pub enum Enum4 {
     A(i32),
     B(i32),
 }
-// CHECK: %Enum4 = type { [0 x i32], i32, [1 x i32] }
 // CHECK: %"Enum4::A" = type { [1 x i32], i32, [0 x i32] }
 
 pub enum Enum64 {
@@ -59,7 +58,7 @@ pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 {
 // CHECK-LABEL: @enum4
 #[no_mangle]
 pub fn enum4(a: i32) -> Enum4 {
-// CHECK: %e4 = alloca %Enum4, align 4
+// CHECK: %e4 = alloca { i32, i32 }, align 4
     let e4 = Enum4::A(a);
     e4
 }

src/test/codegen/call-metadata.rs

@@ -0,0 +1,29 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Checks that range metadata gets emitted on calls to functions returning a
+// scalar value.
+
+// compile-flags: -C no-prepopulate-passes
+// min-llvm-version 4.0
+
+
+#![crate_type = "lib"]
+
+pub fn test() {
+    // CHECK: call i8 @some_true(), !range [[R0:![0-9]+]]
+    // CHECK: [[R0]] = !{i8 0, i8 3}
+    some_true();
+}
+
+#[no_mangle]
+fn some_true() -> Option<bool> {
+    Some(true)
+}

src/test/codegen/force-frame-pointers.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -7,10 +7,10 @@
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
+//
+// compile-flags: -C no-prepopulate-passes -C force-frame-pointers=y
 
-#![no_std]
-#![feature(macro_reexport)]
+#![crate_type="lib"]
 
-#[allow(unused_extern_crates)]
-#[macro_reexport]  //~ ERROR bad macro re-export
-extern crate std;
+// CHECK: attributes #{{.*}} "no-frame-pointer-elim"="true"
+pub fn foo() {}

src/test/codegen/function-arguments.rs

@@ -145,6 +145,18 @@ pub fn return_slice(x: &[u16]) -> &[u16] {
   x
 }
 
+// CHECK: { i16, i16 } @enum_id_1(i16 %x.0, i16 %x.1)
+#[no_mangle]
+pub fn enum_id_1(x: Option<Result<u16, u16>>) -> Option<Result<u16, u16>> {
+  x
+}
+
+// CHECK: i16 @enum_id_2(i16)
+#[no_mangle]
+pub fn enum_id_2(x: Option<u8>) -> Option<u8> {
+  x
+}
+
 // CHECK: noalias i8* @allocator()
 #[no_mangle]
 #[allocator]

src/test/codegen/lifetime_start_end.rs

@@ -25,16 +25,16 @@ pub fn test() {
         let b = &Some(a);
         &b; // keep variable in an alloca
 
-// CHECK: [[S_b:%[0-9]+]] = bitcast %"core::option::Option<i32>"** %b to i8*
+// CHECK: [[S_b:%[0-9]+]] = bitcast { i32, i32 }** %b to i8*
 // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, i8* [[S_b]])
 
-// CHECK: [[S__4:%[0-9]+]] = bitcast %"core::option::Option<i32>"* %_4 to i8*
+// CHECK: [[S__4:%[0-9]+]] = bitcast { i32, i32 }* %_4 to i8*
 // CHECK: call void @llvm.lifetime.start{{.*}}(i{{[0-9 ]+}}, i8* [[S__4]])
 
-// CHECK: [[E_b:%[0-9]+]] = bitcast %"core::option::Option<i32>"** %b to i8*
+// CHECK: [[E_b:%[0-9]+]] = bitcast { i32, i32 }** %b to i8*
 // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, i8* [[E_b]])
 
-// CHECK: [[E__4:%[0-9]+]] = bitcast %"core::option::Option<i32>"* %_4 to i8*
+// CHECK: [[E__4:%[0-9]+]] = bitcast { i32, i32 }* %_4 to i8*
 // CHECK: call void @llvm.lifetime.end{{.*}}(i{{[0-9 ]+}}, i8* [[E__4]])
     }
 

src/test/codegen/noreturnflag.rs

@@ -8,17 +8,27 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// compile-flags: -g -C no-prepopulate-passes
 // ignore-tidy-linelength
 // min-llvm-version 4.0
 
-// compile-flags: -g -C no-prepopulate-passes
+#![crate_type = "lib"]
 
-// CHECK: {{.*}}DISubprogram{{.*}}name: "foo"{{.*}}DIFlagNoReturn
-
-fn foo() -> ! {
+#[no_mangle]
+pub fn foo() -> ! {
+// CHECK: @foo() unnamed_addr #0
     loop {}
 }
 
-pub fn main() {
-    foo();
+pub enum EmptyEnum {}
+
+#[no_mangle]
+pub fn bar() -> EmptyEnum {
+// CHECK: @bar() unnamed_addr #0
+    loop {}
 }
+
+// CHECK: attributes #0 = {{{.*}} noreturn {{.*}}}
+
+// CHECK: DISubprogram(name: "foo", {{.*}} DIFlagNoReturn
+// CHECK: DISubprogram(name: "bar", {{.*}} DIFlagNoReturn

src/test/codegen/target-feature-on-functions.rs

@@ -0,0 +1,19 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// only-x86_64
+// compile-flags: -C target-feature=+avx
+
+#![crate_type = "lib"]
+
+#[no_mangle]
+pub fn foo() {
+    // CHECK: attributes #0 = { {{.*}}"target-features"="+avx"{{.*}} }
+}

src/test/compile-fail-fulldeps/auxiliary/macro_crate_test.rs

@@ -117,7 +117,7 @@ fn expand_duplicate(cx: &mut ExtCtxt,
     let copy_name = match mi.node {
         ast::MetaItemKind::List(ref xs) => {
             if let Some(word) = xs[0].word() {
-                word.ident
+                word.ident.segments.last().unwrap().ident
             } else {
                 cx.span_err(mi.span, "Expected word");
                 return;

src/test/compile-fail-fulldeps/proc-macro/proc-macro-gates.rs

@@ -24,9 +24,17 @@ use foo::*;
 #[foo::a] //~ ERROR: paths of length greater than one
 fn _test() {}
 
+fn _test_inner() {
+    #![a] // OK
+}
+
 #[a] //~ ERROR: custom attributes cannot be applied to modules
 mod _test2 {}
 
+mod _test2_inner {
+    #![a] //~ ERROR: custom attributes cannot be applied to modules
+}
+
 #[a = y] //~ ERROR: must only be followed by a delimiter token
 fn _test3() {}
 
@@ -36,19 +44,40 @@ fn _test4() {}
 #[a () = ] //~ ERROR: must only be followed by a delimiter token
 fn _test5() {}
 
-fn main() {
+fn attrs() {
+    // Statement, item
+    #[a] // OK
+    struct S;
+
+    // Statement, macro
+    #[a] //~ ERROR: custom attributes cannot be applied to statements
+    println!();
+
+    // Statement, semi
+    #[a] //~ ERROR: custom attributes cannot be applied to statements
+    S;
+
+    // Statement, local
     #[a] //~ ERROR: custom attributes cannot be applied to statements
     let _x = 2;
-    let _x = #[a] 2;
-    //~^ ERROR: custom attributes cannot be applied to expressions
 
-    let _x: m!(u32) = 3;
-    //~^ ERROR: procedural macros cannot be expanded to types
-    if let m!(Some(_x)) = Some(3) {
-    //~^ ERROR: procedural macros cannot be expanded to patterns
-    }
-    let _x = m!(3);
-    //~^ ERROR: procedural macros cannot be expanded to expressions
-    m!(let _x = 3;);
-    //~^ ERROR: procedural macros cannot be expanded to statements
+    // Expr
+    let _x = #[a] 2; //~ ERROR: custom attributes cannot be applied to expressions
+
+    // Opt expr
+    let _x = [#[a] 2]; //~ ERROR: custom attributes cannot be applied to expressions
+
+    // Expr macro
+    let _x = #[a] println!(); //~ ERROR: custom attributes cannot be applied to expressions
+}
+
+fn main() {
+    let _x: m!(u32) = 3; //~ ERROR: procedural macros cannot be expanded to types
+    if let m!(Some(_x)) = Some(3) {} //~ ERROR: procedural macros cannot be expanded to patterns
+
+    m!(struct S;); //~ ERROR: procedural macros cannot be expanded to statements
+    m!(let _x = 3;); //~ ERROR: procedural macros cannot be expanded to statements
+
+    let _x = m!(3); //~ ERROR: procedural macros cannot be expanded to expressions
+    let _x = [m!(3)]; //~ ERROR: procedural macros cannot be expanded to expressions
 }

src/test/compile-fail/attr-usage-inline.rs

@@ -13,7 +13,7 @@
 #[inline]
 fn f() {}
 
-#[inline] //~ ERROR: attribute should be applied to function
+#[inline] //~ ERROR: attribute should be applied to function or closure
 struct S;
 
 fn main() {}

src/test/compile-fail/auxiliary/macro_non_reexport_2.rs

@@ -1,19 +0,0 @@
-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![crate_type = "dylib"]
-
-// Since we load a serialized macro with all its attributes, accidentally
-// re-exporting a `#[macro_export] macro_rules!` is something of a concern!
-//
-// We avoid it at the moment only because of the order in which we do things.
-
-#[macro_use] #[no_link]
-extern crate macro_reexport_1;

src/test/compile-fail/borrowck/two-phase-reservation-sharing-interference.rs

@@ -10,7 +10,7 @@
 
 // ignore-tidy-linelength
 
-// revisions: nll_beyond nll_target
+// revisions: nll_target
 
 // The following revisions are disabled due to missing support from two-phase beyond autorefs
 //[nll_beyond]compile-flags: -Z borrowck=mir -Z two-phase-borrows -Z two-phase-beyond-autoref

src/test/compile-fail/extern-macro.rs

@@ -10,7 +10,7 @@
 
 // #41719
 
-#![feature(use_extern_macros, proc_macro_path_invoc)]
+#![feature(use_extern_macros)]
 
 fn main() {
     enum Foo {}

src/test/compile-fail/feature-gate-tool_attributes.rs

@@ -0,0 +1,15 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    #[rustfmt::skip] //~ ERROR scoped attribute `rustfmt::skip` is experimental
+    let x =
+        3;
+}

src/test/compile-fail/impl-trait/impl-generic-mismatch.rs

@@ -28,4 +28,15 @@ impl Bar for () {
     //~^ Error method `bar` has incompatible signature for trait
 }
 
+// With non-local trait (#49841):
+
+use std::hash::{Hash, Hasher};
+
+struct X;
+
+impl Hash for X {
+    fn hash(&self, hasher: &mut impl Hasher) {}
+    //~^ Error method `hash` has incompatible signature for trait
+}
+
 fn main() {}

src/test/compile-fail/impl-trait/where-allowed.rs

@@ -10,7 +10,6 @@
 
 //! A simple test for testing many permutations of allowedness of
 //! impl Trait
-#![feature(dyn_trait)]
 use std::fmt::Debug;
 
 // Allowed

src/test/compile-fail/issue-23080-2.rs

@@ -10,6 +10,8 @@
 
 // ignore-tidy-linelength
 
+//~^^^^^^^^^^^^ ERROR
+
 #![feature(optin_builtin_traits)]
 
 unsafe auto trait Trait {
@@ -22,5 +24,4 @@ fn call_method<T: Trait>(x: T) {}
 fn main() {
     // ICE
     call_method(());
-    //~^ ERROR
 }

src/test/compile-fail/issue-31769.rs

@@ -9,6 +9,6 @@
 // except according to those terms.
 
 fn main() {
-    #[inline] struct Foo;  //~ ERROR attribute should be applied to function
+    #[inline] struct Foo;  //~ ERROR attribute should be applied to function or closure
     #[repr(C)] fn foo() {} //~ ERROR attribute should be applied to struct, enum or union
 }

src/test/compile-fail/issue-43988.rs

@@ -14,12 +14,12 @@ fn main() {
 
     #[inline]
     let _a = 4;
-    //~^^ ERROR attribute should be applied to function
+    //~^^ ERROR attribute should be applied to function or closure
 
 
     #[inline(XYZ)]
     let _b = 4;
-    //~^^ ERROR attribute should be applied to function
+    //~^^ ERROR attribute should be applied to function or closure
 
     #[repr(nothing)]
     let _x = 0;
@@ -40,7 +40,7 @@ fn main() {
 
     #[inline(ABC)]
     foo();
-    //~^^ ERROR attribute should be applied to function
+    //~^^ ERROR attribute should be applied to function or closure
 
     let _z = #[repr] 1;
     //~^ ERROR attribute should not be applied to an expression

src/test/compile-fail/lint-unused-mut-variables.rs

@@ -8,6 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// revisions: lexical nll
+#![cfg_attr(nll, feature(nll))]
+
 // Exercise the unused_mut attribute in some positive and negative cases
 
 #![allow(unused_assignments)]
@@ -18,15 +21,22 @@
 
 fn main() {
     // negative cases
-    let mut a = 3; //~ ERROR: variable does not need to be mutable
-    let mut a = 2; //~ ERROR: variable does not need to be mutable
-    let mut b = 3; //~ ERROR: variable does not need to be mutable
-    let mut a = vec![3]; //~ ERROR: variable does not need to be mutable
-    let (mut a, b) = (1, 2); //~ ERROR: variable does not need to be mutable
-    let mut a; //~ ERROR: variable does not need to be mutable
+    let mut a = 3; //[lexical]~ ERROR: variable does not need to be mutable
+                   //[nll]~^ ERROR: variable does not need to be mutable
+    let mut a = 2; //[lexical]~ ERROR: variable does not need to be mutable
+                   //[nll]~^ ERROR: variable does not need to be mutable
+    let mut b = 3; //[lexical]~ ERROR: variable does not need to be mutable
+                   //[nll]~^ ERROR: variable does not need to be mutable
+    let mut a = vec![3]; //[lexical]~ ERROR: variable does not need to be mutable
+                         //[nll]~^ ERROR: variable does not need to be mutable
+    let (mut a, b) = (1, 2); //[lexical]~ ERROR: variable does not need to be mutable
+                             //[nll]~^ ERROR: variable does not need to be mutable
+    let mut a; //[lexical]~ ERROR: variable does not need to be mutable
+               //[nll]~^ ERROR: variable does not need to be mutable
     a = 3;
 
-    let mut b; //~ ERROR: variable does not need to be mutable
+    let mut b; //[lexical]~ ERROR: variable does not need to be mutable
+               //[nll]~^ ERROR: variable does not need to be mutable
     if true {
         b = 3;
     } else {
@@ -34,37 +44,45 @@ fn main() {
     }
 
     match 30 {
-        mut x => {} //~ ERROR: variable does not need to be mutable
+        mut x => {} //[lexical]~ ERROR: variable does not need to be mutable
+                    //[nll]~^ ERROR: variable does not need to be mutable
     }
     match (30, 2) {
-      (mut x, 1) | //~ ERROR: variable does not need to be mutable
+      (mut x, 1) | //[lexical]~ ERROR: variable does not need to be mutable
+                   //[nll]~^ ERROR: variable does not need to be mutable
       (mut x, 2) |
       (mut x, 3) => {
       }
       _ => {}
     }
 
-    let x = |mut y: isize| 10; //~ ERROR: variable does not need to be mutable
-    fn what(mut foo: isize) {} //~ ERROR: variable does not need to be mutable
+    let x = |mut y: isize| 10; //[lexical]~ ERROR: variable does not need to be mutable
+                               //[nll]~^ ERROR: variable does not need to be mutable
+    fn what(mut foo: isize) {} //[lexical]~ ERROR: variable does not need to be mutable
+                               //[nll]~^ ERROR: variable does not need to be mutable
 
-    let mut a = &mut 5; //~ ERROR: variable does not need to be mutable
+    let mut a = &mut 5; //[lexical]~ ERROR: variable does not need to be mutable
+                        //[nll]~^ ERROR: variable does not need to be mutable
     *a = 4;
 
     let mut a = 5;
-    let mut b = (&mut a,);
-    *b.0 = 4; //~^ ERROR: variable does not need to be mutable
+    let mut b = (&mut a,); //[lexical]~ ERROR: variable does not need to be mutable
+    *b.0 = 4;              //[nll]~^ ERROR: variable does not need to be mutable
 
-    let mut x = &mut 1; //~ ERROR: variable does not need to be mutable
+    let mut x = &mut 1; //[lexical]~ ERROR: variable does not need to be mutable
+                        //[nll]~^ ERROR: variable does not need to be mutable
     let mut f = || {
       *x += 1;
     };
     f();
 
     fn mut_ref_arg(mut arg : &mut [u8]) -> &mut [u8] {
-        &mut arg[..] //~^ ERROR: variable does not need to be mutable
+        &mut arg[..] //[lexical]~^ ERROR: variable does not need to be mutable
+                     //[nll]~^^ ERROR: variable does not need to be mutable
     }
 
-    let mut v : &mut Vec<()> = &mut vec![]; //~ ERROR: variable does not need to be mutable
+    let mut v : &mut Vec<()> = &mut vec![]; //[lexical]~ ERROR: variable does not need to be mutable
+                                            //[nll]~^ ERROR: variable does not need to be mutable
     v.push(());
 
     // positive cases
@@ -76,6 +94,12 @@ fn main() {
     callback(|| {
         a.push(3);
     });
+    let mut a = Vec::new();
+    callback(|| {
+        callback(|| {
+            a.push(3);
+        });
+    });
     let (mut a, b) = (1, 2);
     a = 34;
 
@@ -116,5 +140,6 @@ fn foo(mut a: isize) {
 fn bar() {
     #[allow(unused_mut)]
     let mut a = 3;
-    let mut b = vec![2]; //~ ERROR: variable does not need to be mutable
+    let mut b = vec![2]; //[lexical]~ ERROR: variable does not need to be mutable
+                         //[nll]~^ ERROR: variable does not need to be mutable
 }

src/test/compile-fail/macro-non-lifetime.rs

@@ -1,4 +1,4 @@
-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,15 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// aux-build:macro_reexport_1.rs
+// Test for issue #50381: non-lifetime passed to :lifetime.
 
-#![feature(macro_reexport)]
+#![feature(macro_lifetime_matcher)]
 
-#[macro_reexport(reexported)]
-#[no_link]
-extern crate macro_reexport_1;
+macro_rules! m { ($x:lifetime) => { } }
 
 fn main() {
-    assert_eq!(reexported!(), 3);
-    //~^ ERROR cannot find macro
+    m!(a);
+    //~^ ERROR expected a lifetime, found `a`
 }

src/test/compile-fail/macros-nonfatal-errors.rs

@@ -13,7 +13,6 @@
 
 #![feature(asm)]
 #![feature(trace_macros, concat_idents)]
-#![feature(proc_macro_path_invoc)]
 
 #[derive(Default)] //~ ERROR
 enum OrDeriveThis {}

src/test/compile-fail/mir_check_cast_unsize.rs

@@ -11,7 +11,6 @@
 // compile-flags: -Z borrowck=mir
 
 #![allow(dead_code)]
-#![feature(dyn_trait)]
 
 use std::fmt::Debug;
 

src/test/compile-fail/nll/match-guards-always-borrow.rs

@@ -0,0 +1,61 @@
+// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//revisions: ast mir
+//[mir] compile-flags: -Z borrowck=mir
+
+#![feature(rustc_attrs)]
+
+// Here is arielb1's basic example from rust-lang/rust#27282
+// that AST borrowck is flummoxed by:
+
+fn should_reject_destructive_mutate_in_guard() {
+    match Some(&4) {
+        None => {},
+        ref mut foo if {
+            (|| { let bar = foo; bar.take() })();
+            //[mir]~^ ERROR cannot move out of borrowed content [E0507]
+            false } => { },
+        Some(s) => std::process::exit(*s),
+    }
+}
+
+// Here below is a case that needs to keep working: we only use the
+// binding via immutable-borrow in the guard, and we mutate in the arm
+// body.
+fn allow_mutate_in_arm_body() {
+    match Some(&4) {
+        None => {},
+        ref mut foo if foo.is_some() && false => { foo.take(); () }
+        Some(s) => std::process::exit(*s),
+    }
+}
+
+// Here below is a case that needs to keep working: we only use the
+// binding via immutable-borrow in the guard, and we move into the arm
+// body.
+fn allow_move_into_arm_body() {
+    match Some(&4) {
+        None => {},
+        mut foo if foo.is_some() && false => { foo.take(); () }
+        Some(s) => std::process::exit(*s),
+    }
+}
+
+// Since this is a compile-fail test that is explicitly encoding the
+// different behavior of AST- vs MIR-borrowck where AST-borrowck does
+// not error, we need to use rustc_error to placate the test harness
+// that wants *some* error to occur.
+#[rustc_error]
+fn main() { //[ast]~ ERROR compilation successful
+    should_reject_destructive_mutate_in_guard();
+    allow_mutate_in_arm_body();
+    allow_move_into_arm_body();
+}

src/test/compile-fail/nll/unused-mut-issue-50343.rs

@@ -0,0 +1,17 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+#![deny(unused_mut)]
+
+fn main() {
+    vec![(42, 22)].iter().map(|(mut x, _y)| ()).count();
+    //~^ ERROR: variable does not need to be mutable
+}

src/test/compile-fail/privacy/associated-item-privacy-inherent.rs

@@ -10,7 +10,6 @@
 
 #![feature(decl_macro, associated_type_defaults)]
 #![allow(unused, private_in_public)]
-#![feature(proc_macro_path_invoc)]
 
 mod priv_nominal {
     pub struct Pub;

src/test/compile-fail/privacy/associated-item-privacy-trait.rs

@@ -10,7 +10,6 @@
 
 // ignore-tidy-linelength
 
-#![feature(proc_macro_path_invoc)]
 #![feature(decl_macro, associated_type_defaults)]
 #![allow(unused, private_in_public)]
 

src/test/compile-fail/privacy/associated-item-privacy-type-binding.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro_path_invoc)]
 #![feature(decl_macro, associated_type_defaults)]
 #![allow(unused, private_in_public)]
 

src/test/compile-fail/private-inferred-type-3.rs

@@ -18,7 +18,6 @@
 // error-pattern:type `fn(u8) -> ext::PubTupleStruct {ext::PubTupleStruct::{{constructor}}}` is priv
 // error-pattern:type `for<'r> fn(&'r ext::Pub<u8>) {<ext::Pub<u8>>::priv_method}` is private
 
-#![feature(proc_macro_path_invoc)]
 #![feature(decl_macro)]
 
 extern crate private_inferred_type as ext;

src/test/compile-fail/private-inferred-type.rs

@@ -11,7 +11,6 @@
 #![feature(associated_consts)]
 #![feature(decl_macro)]
 #![allow(private_in_public)]
-#![feature(proc_macro_path_invoc)]
 
 mod m {
     fn priv_fn() {}

src/test/compile-fail/repr-align.rs

@@ -15,7 +15,10 @@ struct A(i32);
 #[repr(align(15))] //~ ERROR: invalid `repr(align)` attribute: not a power of two
 struct B(i32);
 
-#[repr(align(4294967296))] //~ ERROR: invalid `repr(align)` attribute: larger than 2147483647
+#[repr(align(4294967296))] //~ ERROR: invalid `repr(align)` attribute: larger than 2^29
 struct C(i32);
 
+#[repr(align(536870912))] // ok: this is the largest accepted alignment
+struct D(i32);
+
 fn main() {}

src/test/compile-fail/trait-bounds-not-on-struct.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(dyn_trait)]
 #![allow(bare_trait_object)]
 
 struct Foo;

src/test/compile-fail/unknown-tool-name.rs

@@ -0,0 +1,16 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(tool_attributes)]
+
+#![foo::bar] //~ ERROR an unknown tool name found in scoped attribute: `foo::bar`. [E0694]
+
+#[foo::bar] //~ ERROR an unknown tool name found in scoped attribute: `foo::bar`. [E0694]
+fn main() {}

src/test/compile-fail/unknown_tool_attributes-1.rs

@@ -0,0 +1,18 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Make sure that 'custom_attributes' feature does not allow scoped attributes.
+
+#![feature(custom_attributes)]
+
+#[foo::bar]
+//~^ ERROR scoped attribute `foo::bar` is experimental (see issue #44690) [E0658]
+//~^^ ERROR an unknown tool name found in scoped attribute: `foo::bar`. [E0694]
+fn main() {}

src/test/compile-fail/used.rs

@@ -0,0 +1,28 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(used)]
+
+#[used]
+static FOO: u32 = 0; // OK
+
+#[used] //~ ERROR attribute must be applied to a `static` variable
+fn foo() {}
+
+#[used] //~ ERROR attribute must be applied to a `static` variable
+struct Foo {}
+
+#[used] //~ ERROR attribute must be applied to a `static` variable
+trait Bar {}
+
+#[used] //~ ERROR attribute must be applied to a `static` variable
+impl Bar for Foo {}
+
+fn main() {}

src/test/mir-opt/match_false_edges.rs

@@ -54,17 +54,17 @@ fn main() {
 //      ...
 //      _2 = std::option::Option<i32>::Some(const 42i32,);
 //      _3 = discriminant(_2);
-//      _6 = discriminant(_2);
-//      switchInt(move _6) -> [0isize: bb6, 1isize: bb4, otherwise: bb8];
+//      _7 = discriminant(_2);
+//      switchInt(move _7) -> [0isize: bb6, 1isize: bb4, otherwise: bb8];
 //  }
 //  bb1: {
 //      resume;
 //  }
 //  bb2: {  // arm1
-//      StorageLive(_8);
-//      _8 = _4;
-//      _1 = (const 1i32, move _8);
-//      StorageDead(_8);
+//      StorageLive(_9);
+//      _9 = _4;
+//      _1 = (const 1i32, move _9);
+//      StorageDead(_9);
 //      goto -> bb13;
 //  }
 //  bb3: { // binding3(empty) and arm3
@@ -87,24 +87,26 @@ fn main() {
 //      unreachable;
 //  }
 //  bb9: { // binding1 and guard
-//      StorageLive(_4);
-//      _4 = ((_2 as Some).0: i32);
-//      StorageLive(_7);
-//      _7 = const guard() -> [return: bb10, unwind: bb1];
+//      StorageLive(_5);
+//      _5 = &((_2 as Some).0: i32);
+//      StorageLive(_8);
+//      _8 = const guard() -> [return: bb10, unwind: bb1];
 //  }
 //  bb10: { // end of guard
-//      switchInt(move _7) -> [false: bb11, otherwise: bb2];
+//      StorageLive(_4);
+//      _4 = ((_2 as Some).0: i32);
+//      switchInt(move _8) -> [false: bb11, otherwise: bb2];
 //  }
 //  bb11: { // to pre_binding2
 //      falseEdges -> [real: bb5, imaginary: bb5];
 //  }
 //  bb12: { // bindingNoLandingPads.before.mir2 and arm2
-//      StorageLive(_5);
-//      _5 = ((_2 as Some).0: i32);
-//      StorageLive(_9);
-//      _9 = _5;
-//      _1 = (const 2i32, move _9);
-//      StorageDead(_9);
+//      StorageLive(_6);
+//      _6 = ((_2 as Some).0: i32);
+//      StorageLive(_10);
+//      _10 = _6;
+//      _1 = (const 2i32, move _10);
+//      StorageDead(_10);
 //      goto -> bb13;
 //  }
 //  bb13: {
@@ -118,17 +120,17 @@ fn main() {
 //      ...
 //      _2 = std::option::Option<i32>::Some(const 42i32,);
 //      _3 = discriminant(_2);
-//      _6 = discriminant(_2);
-//      switchInt(move _6) -> [0isize: bb5, 1isize: bb4, otherwise: bb8];
+//      _7 = discriminant(_2);
+//      switchInt(move _7) -> [0isize: bb5, 1isize: bb4, otherwise: bb8];
 //  }
 //  bb1: {
 //      resume;
 //  }
 //  bb2: { // arm1
-//      StorageLive(_8);
-//      _8 = _4;
-//      _1 = (const 1i32, move _8);
-//      StorageDead(_8);
+//      StorageLive(_9);
+//      _9 = _4;
+//      _1 = (const 1i32, move _9);
+//      StorageDead(_9);
 //      goto -> bb13;
 //  }
 //  bb3: { // binding3(empty) and arm3
@@ -151,24 +153,26 @@ fn main() {
 //      unreachable;
 //  }
 //  bb9: { // binding1 and guard
-//      StorageLive(_4);
-//      _4 = ((_2 as Some).0: i32);
-//      StorageLive(_7);
-//      _7 = const guard() -> [return: bb10, unwind: bb1];
+//      StorageLive(_5);
+//      _5 = &((_2 as Some).0: i32);
+//      StorageLive(_8);
+//      _8 = const guard() -> [return: bb10, unwind: bb1];
 //  }
 //  bb10: { // end of guard
-//      switchInt(move _7) -> [false: bb11, otherwise: bb2];
+//      StorageLive(_4);
+//      _4 = ((_2 as Some).0: i32);
+//      switchInt(move _8) -> [false: bb11, otherwise: bb2];
 //  }
 //  bb11: { // to pre_binding2
 //      falseEdges -> [real: bb6, imaginary: bb5];
 //  }
 //  bb12: { // binding2 and arm2
-//      StorageLive(_5);
-//      _5 = ((_2 as Some).0: i32);
-//      StorageLive(_9);
-//      _9 = _5;
-//      _1 = (const 2i32, move _9);
-//      StorageDead(_9);
+//      StorageLive(_6);
+//      _6 = ((_2 as Some).0: i32);
+//      StorageLive(_10);
+//      _10 = _6;
+//      _1 = (const 2i32, move _10);
+//      StorageDead(_10);
 //      goto -> bb13;
 //  }
 //  bb13: {
@@ -182,8 +186,8 @@ fn main() {
 //     ...
 //     _2 = std::option::Option<i32>::Some(const 1i32,);
 //     _3 = discriminant(_2);
-//     _8 = discriminant(_2);
-//     switchInt(move _8) -> [1isize: bb4, otherwise: bb5];
+//     _10 = discriminant(_2);
+//     switchInt(move _10) -> [1isize: bb4, otherwise: bb5];
 // }
 // bb1: {
 //     resume;
@@ -213,41 +217,45 @@ fn main() {
 //     unreachable;
 // }
 // bb9: { // binding1: Some(w) if guard()
-//     StorageLive(_4);
-//     _4 = ((_2 as Some).0: i32);
-//     StorageLive(_9);
-//     _9 = const guard() -> [return: bb10, unwind: bb1];
+//     StorageLive(_5);
+//     _5 = &((_2 as Some).0: i32);
+//     StorageLive(_11);
+//     _11 = const guard() -> [return: bb10, unwind: bb1];
 // }
 // bb10: { //end of guard
-//    switchInt(move _9) -> [false: bb11, otherwise: bb2];
+//    StorageLive(_4);
+//    _4 = ((_2 as Some).0: i32);
+//    switchInt(move _11) -> [false: bb11, otherwise: bb2];
 // }
 // bb11: { // to pre_binding2
 //     falseEdges -> [real: bb5, imaginary: bb5];
 // }
 // bb12: { // binding2 & arm2
-//     StorageLive(_5);
-//     _5 = _2;
+//     StorageLive(_6);
+//     _6 = _2;
 //     _1 = const 2i32;
 //     goto -> bb17;
 // }
 // bb13: { // binding3: Some(y) if guard2(y)
-//     StorageLive(_6);
-//     _6 = ((_2 as Some).0: i32);
-//     StorageLive(_11);
-//     StorageLive(_12);
-//     _12 = _6;
-//     _11 = const guard2(move _12) -> [return: bb14, unwind: bb1];
+//     StorageLive(_8);
+//     _8 = &((_2 as Some).0: i32);
+//     StorageLive(_13);
+//     StorageLive(_14);
+//     _14 = (*_8);
+//     _13 = const guard2(move _14) -> [return: bb14, unwind: bb1];
 // }
 // bb14: { // end of guard2
-//     StorageDead(_12);
-//     switchInt(move _11) -> [false: bb15, otherwise: bb3];
+//     StorageDead(_14);
+//     StorageLive(_7);
+//     _7 = ((_2 as Some).0: i32);
+//     switchInt(move _13) -> [false: bb15, otherwise: bb3];
 // }
 // bb15: { // to pre_binding4
 //     falseEdges -> [real: bb7, imaginary: bb7];
 // }
 // bb16: { // binding4 & arm4
-//     StorageLive(_7);
-//     _7 = _2;
+//     StorageLive(_9);
+//     _9 = _2;
 //     _1 = const 4i32;
 //     goto -> bb17;
 // }

src/test/run-fail/rfc-1937-termination-trait/termination-trait-for-box-dyn-error.rs

@@ -11,8 +11,6 @@
 // compile-pass
 // failure-status: 1
 
-#![feature(dyn_trait)]
-
 use std::error::Error;
 use std::io;
 

src/test/run-make-fulldeps/extern-prelude/Makefile

@@ -0,0 +1,12 @@
+-include ../tools.mk
+
+all:
+	$(RUSTC) ep-lib.rs
+	$(RUSTC) ep-vec.rs
+
+	$(RUSTC) basic.rs --extern ep_lib=$(TMPDIR)/libep_lib.rlib
+	$(RUSTC) shadow-mod.rs --extern ep_lib=$(TMPDIR)/libep_lib.rlib
+	$(RUSTC) shadow-prelude.rs --extern Vec=$(TMPDIR)/libep_vec.rlib
+	$(RUSTC) feature-gate.rs --extern ep_lib=$(TMPDIR)/libep_lib.rlib 2>&1 | $(CGREP) "access to extern crates through prelude is experimental"
+	$(RUSTC) relative-only.rs --extern ep_lib=$(TMPDIR)/libep_lib.rlib 2>&1 | $(CGREP) "unresolved import"
+	$(RUSTC) relative-only.rs --extern ep_lib=$(TMPDIR)/libep_lib.rlib 2>&1 | $(CGREP) "failed to resolve"

src/test/run-make-fulldeps/extern-prelude/basic.rs

@@ -1,4 +1,4 @@
-// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,9 +8,9 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// ignore-test not a test, auxiliary
+#![feature(extern_prelude)]
 
-#![feature(macro_reexport)]
-
-#[macro_reexport(A)]
-extern crate derive_a;
+fn main() {
+    let s = ep_lib::S; // It works
+    s.external();
+}

src/test/run-make-fulldeps/extern-prelude/ep-lib.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,8 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![crate_type = "dylib"]
-#[macro_export]
-macro_rules! reexported {
-    () => ( 3 )
+#![crate_type = "rlib"]
+
+pub struct S;
+
+impl S {
+    pub fn external(&self) {}
 }

src/test/run-make-fulldeps/extern-prelude/ep-vec.rs

@@ -0,0 +1,13 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![crate_type = "rlib"]
+
+pub fn new(arg1: f32, arg2: ()) {}

src/test/run-make-fulldeps/extern-prelude/feature-gate.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![crate_type = "dylib"]
-#[macro_export]
-macro_rules! reexported {
-    () => ( 3 )
+fn main() {
+    let s = ep_lib::S; // Feature error
 }

src/test/run-make-fulldeps/extern-prelude/relative-only.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,9 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![no_std]
-#![feature(macro_reexport)]
+// Extern prelude names are not available by absolute paths
 
-#[allow(unused_extern_crates)]
-#[macro_reexport="foo"]  //~ ERROR bad macro re-export
-extern crate std;
+#![feature(extern_prelude)]
+
+use ep_lib::S;
+
+fn main() {
+    let s = ::ep_lib::S;
+}

src/test/run-make-fulldeps/extern-prelude/shadow-mod.rs

@@ -0,0 +1,24 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Local module shadows `ep_lib` from extern prelude
+
+mod ep_lib {
+    pub struct S;
+
+    impl S {
+        pub fn internal(&self) {}
+    }
+}
+
+fn main() {
+    let s = ep_lib::S;
+    s.internal(); // OK
+}

src/test/run-make-fulldeps/extern-prelude/shadow-prelude.rs

@@ -0,0 +1,17 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Extern prelude shadows standard library prelude
+
+#![feature(extern_prelude)]
+
+fn main() {
+    let x = Vec::new(0f32, ()); // OK
+}

src/test/run-make-fulldeps/libtest-json/Makefile

@@ -6,7 +6,7 @@ OUTPUT_FILE := $(TMPDIR)/libtest-json-output.json
 
 all:
 	$(RUSTC) --test f.rs
-	$(call RUN,f) -Z unstable-options --test-threads=1 --format=json > $(OUTPUT_FILE) || true
+	RUST_BACKTRACE=0 $(call RUN,f) -Z unstable-options --test-threads=1 --format=json > $(OUTPUT_FILE) || true
 
 	cat $(OUTPUT_FILE) | "$(PYTHON)" validate_json.py
 

src/test/run-pass-fulldeps/auxiliary/macro_crate_test.rs

@@ -112,7 +112,7 @@ fn expand_duplicate(cx: &mut ExtCtxt,
     let copy_name = match mi.node {
         ast::MetaItemKind::List(ref xs) => {
             if let Some(word) = xs[0].word() {
-                word.ident
+                word.ident.segments.last().unwrap().ident
             } else {
                 cx.span_err(mi.span, "Expected word");
                 return;

src/test/run-pass-fulldeps/macro-quote-test.rs

@@ -13,7 +13,7 @@
 // aux-build:hello_macro.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_path_invoc, proc_macro_non_items)]
+#![feature(proc_macro, proc_macro_non_items)]
 
 extern crate hello_macro;
 

src/test/run-pass/auxiliary/issue-48984-aux.rs

@@ -0,0 +1,16 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![crate_type = "lib"]
+#![crate_name = "issue48984aux"]
+
+pub trait Foo { type Item; }
+
+pub trait Bar: Foo<Item=[u8;1]> {  }

src/test/run-pass/auxiliary/macro_reexport_2.rs

@@ -1,16 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![crate_type = "dylib"]
-#![feature(macro_reexport)]
-
-#[macro_reexport(reexported)]
-#[macro_use] #[no_link]
-extern crate macro_reexport_1;

src/test/run-pass/backtrace-debuginfo.rs

@@ -16,6 +16,7 @@
 // "enable" to 0 instead.
 
 // compile-flags:-g -Cllvm-args=-enable-tail-merge=0 -Cllvm-args=-opt-bisect-limit=0
+// compile-flags:-Cforce-frame-pointers=yes
 // ignore-pretty issue #37195
 // ignore-cloudabi spawning processes is not supported
 // ignore-emscripten spawning processes is not supported

src/test/run-pass/borrowck/borrowck-unused-mut-locals.rs

@@ -0,0 +1,56 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+#![deny(unused_mut)]
+
+#[derive(Debug)]
+struct A {}
+
+fn init_a() -> A {
+    A {}
+}
+
+#[derive(Debug)]
+struct B<'a> {
+    ed: &'a mut A,
+}
+
+fn init_b<'a>(ed: &'a mut A) -> B<'a> {
+    B { ed }
+}
+
+#[derive(Debug)]
+struct C<'a> {
+    pd: &'a mut B<'a>,
+}
+
+fn init_c<'a>(pd: &'a mut B<'a>) -> C<'a> {
+    C { pd }
+}
+
+#[derive(Debug)]
+struct D<'a> {
+    sd: &'a mut C<'a>,
+}
+
+fn init_d<'a>(sd: &'a mut C<'a>) -> D<'a> {
+    D { sd }
+}
+
+fn main() {
+    let mut a = init_a();
+    let mut b = init_b(&mut a);
+    let mut c = init_c(&mut b);
+
+    let d = init_d(&mut c);
+
+    println!("{:?}", d)
+}

src/test/run-pass/dyn-trait.rs

@@ -10,8 +10,6 @@
 
 // ignore-pretty `dyn ::foo` parses differently in the current edition
 
-#![feature(dyn_trait)]
-
 use std::fmt::Display;
 
 static BYTE: u8 = 33;

src/test/run-pass/extern-prelude-no-speculative.rs

@@ -0,0 +1,21 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: --extern LooksLikeExternCrate=/path/to/nowhere
+
+mod m {
+    pub struct LooksLikeExternCrate;
+}
+
+fn main() {
+    // OK, speculative resolution for `unused_qualifications` doesn't try
+    // to resolve this as an extern crate and load that crate
+    let s = m::LooksLikeExternCrate {};
+}

src/test/run-pass/hygiene/issue-47311.rs

@@ -10,7 +10,7 @@
 
 // ignore-pretty pretty-printing is unhygienic
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 #![allow(unused)]
 
 macro m($S:ident, $x:ident) {

src/test/run-pass/hygiene/issue-47312.rs

@@ -10,7 +10,7 @@
 
 // ignore-pretty pretty-printing is unhygienic
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 #![allow(unused)]
 
 mod foo {

src/test/run-pass/hygiene/legacy_interaction.rs

@@ -12,7 +12,7 @@
 
 // aux-build:legacy_interaction.rs
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 #[allow(unused)]
 
 extern crate legacy_interaction;

src/test/run-pass/hygiene/lexical.rs

@@ -10,7 +10,7 @@
 
 // ignore-pretty pretty-printing is unhygienic
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 
 mod bar {
     mod baz {

src/test/run-pass/hygiene/wrap_unhygienic_example.rs

@@ -13,7 +13,7 @@
 // aux-build:my_crate.rs
 // aux-build:unhygienic_example.rs
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 
 extern crate unhygienic_example;
 extern crate my_crate; // (b)

src/test/run-pass/hygiene/xcrate.rs

@@ -12,7 +12,7 @@
 
 // aux-build:xcrate.rs
 
-#![feature(decl_macro, proc_macro_path_invoc)]
+#![feature(decl_macro)]
 
 extern crate xcrate;
 

src/test/run-pass/issue-47703-tuple.rs

@@ -0,0 +1,21 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+
+struct WithDrop;
+
+impl Drop for WithDrop {
+    fn drop(&mut self) {}
+}
+
+fn consume(x: (&mut (), WithDrop)) -> &mut () { x.0 }
+
+fn main() {}

src/test/run-pass/issue-48984.rs

@@ -1,4 +1,4 @@
-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,9 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![crate_type = "dylib"]
-#![feature(macro_reexport)]
+// aux-build:issue-48984-aux.rs
+extern crate issue48984aux;
+use issue48984aux::Bar;
 
-#[macro_reexport(reexported)]
-#[no_link]
-extern crate macro_reexport_1;
+fn do_thing<T: Bar>() { }
+
+fn main() { }

src/test/run-pass/issue-49632.rs

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,9 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![no_std]
-#![feature(macro_reexport)]
+#![feature(stmt_expr_attributes)]
 
-#[allow(unused_extern_crates)]
-#[macro_reexport(foo="bar")]  //~ ERROR bad macro re-export
-extern crate std;
+pub fn main() {
+    let _x = #[inline(always)] || {};
+    let _y = #[inline(never)] || {};
+    let _z = #[inline] || {};
+}

src/test/run-pass/issue-49685.rs

@@ -8,14 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// Test that macro re-exports item are gated by `macro_reexport` feature gate.
+// Regression test for #49685: drop elaboration was not revealing the
+// value of `impl Trait` returns, leading to an ICE.
 
-// aux-build:macro_reexport_1.rs
-// gate-test-macro_reexport
+fn main() {
+    let _ = Some(())
+        .into_iter()
+        .flat_map(|_| Some(()).into_iter().flat_map(func));
+}
 
-#![crate_type = "dylib"]
-
-#[macro_reexport(reexported)]
-//~^ ERROR macros re-exports are experimental and possibly buggy
-#[macro_use] #[no_link]
-extern crate macro_reexport_1;
+fn func(_: ()) -> impl Iterator<Item = ()> {
+    Some(()).into_iter().flat_map(|_| vec![])
+}

src/test/run-pass/issue-50415.rs

@@ -0,0 +1,27 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    // -------- Simplified test case --------
+
+    let _ = || 0..=1;
+
+    // -------- Original test case --------
+
+    let full_length = 1024;
+    let range = {
+        // do some stuff, omit here
+        None
+    };
+
+    let range = range.map(|(s, t)| s..=t).unwrap_or(0..=(full_length-1));
+
+    assert_eq!(range, 0..=1023);
+}

src/test/run-pass/nll/issue-48623-closure.rs

@@ -0,0 +1,24 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+
+struct WithDrop;
+
+impl Drop for WithDrop {
+    fn drop(&mut self) {}
+}
+
+fn reborrow_from_closure(r: &mut ()) -> &mut () {
+    let d = WithDrop;
+    (move || { d; &mut *r })()
+}
+
+fn main() {}

src/test/run-pass/nll/issue-48623-generator.rs

@@ -0,0 +1,25 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+#![feature(generators, generator_trait)]
+
+struct WithDrop;
+
+impl Drop for WithDrop {
+    fn drop(&mut self) {}
+}
+
+fn reborrow_from_generator(r: &mut ()) {
+    let d = WithDrop;
+    move || { d; yield; &mut *r };
+}
+
+fn main() {}

src/test/run-pass/nll/issue-50343.rs

@@ -0,0 +1,17 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(nll)]
+#![deny(unused_mut)]
+
+fn main() {
+    vec![42].iter().map(|_| ()).count();
+    vec![(42, 22)].iter().map(|(_x, _y)| ()).count();
+}

src/test/run-pass/paths-in-macro-invocations.rs

@@ -10,7 +10,7 @@
 
 // aux-build:two_macros.rs
 
-#![feature(use_extern_macros, proc_macro_path_invoc)]
+#![feature(use_extern_macros)]
 
 extern crate two_macros;
 

src/test/run-pass/repr_c_int_align.rs

@@ -0,0 +1,55 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -O
+
+#![allow(dead_code)]
+
+#[repr(C, u8)]
+enum ReprCu8 {
+    A(u16),
+    B,
+}
+
+#[repr(u8)]
+enum Repru8 {
+    A(u16),
+    B,
+}
+
+#[repr(C)]
+struct ReprC {
+    tag: u8,
+    padding: u8,
+    payload: u16,
+}
+
+fn main() {
+    // Test `repr(C, u8)`.
+    let r1 = ReprC { tag: 0, padding: 0, payload: 0 };
+    let r2 = ReprC { tag: 0, padding: 1, payload: 1 };
+
+    let t1: &ReprCu8 = unsafe { std::mem::transmute(&r1) };
+    let t2: &ReprCu8 = unsafe { std::mem::transmute(&r2) };
+
+    match (t1, t2) {
+        (ReprCu8::A(_), ReprCu8::A(_)) => (),
+        _ => assert!(false)
+    };
+
+    // Test `repr(u8)`.
+    let t1: &Repru8 = unsafe { std::mem::transmute(&r1) };
+    let t2: &Repru8 = unsafe { std::mem::transmute(&r2) };
+
+    match (t1, t2) {
+        (Repru8::A(_), Repru8::A(_)) => (),
+        _ => assert!(false)
+    };
+}

src/test/run-pass/rfc-1937-termination-trait/termination-trait-for-box-dyn-error.rs

@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(dyn_trait)]
-
 use std::error::Error;
 
 fn main() -> Result<(), Box<dyn Error>> {

src/test/run-pass/sync-send-in-std.rs

@@ -11,9 +11,7 @@
 // ignore-cloudabi networking not available
 // ignore-wasm32-bare networking not available
 
-#![feature(lookup_host)]
-
-use std::net::lookup_host;
+use std::net::ToSocketAddrs;
 
 fn is_sync<T>(_: T) where T: Sync {}
 fn is_send<T>(_: T) where T: Send {}
@@ -30,5 +28,5 @@ macro_rules! all_sync_send {
 }
 
 fn main() {
-    all_sync_send!(lookup_host("localhost").unwrap(), next);
+    all_sync_send!("localhost:80".to_socket_addrs().unwrap(), next);
 }

src/test/run-pass/tool_attributes.rs

@@ -0,0 +1,23 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Scoped attributes should not trigger an unused attributes lint.
+
+#![feature(tool_attributes)]
+#![deny(unused_attributes)]
+
+fn main() {
+    #[rustfmt::skip]
+    foo ();
+}
+
+fn foo() {
+    assert!(true);
+}

src/test/run-pass/vec-const-new.rs

@@ -0,0 +1,17 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// Test that Vec::new() can be used for constants
+
+#![feature(const_vec_new)]
+
+const MY_VEC: Vec<usize> = Vec::new();
+
+pub fn main() {}

src/test/rustdoc-js/alias-2.js

@@ -8,11 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-order
+
 const QUERY = '+';
 
 const EXPECTED = {
     'others': [
-        { 'path': 'std::ops::AddAssign', 'name': 'AddAssign' },
-        { 'path': 'std::ops::Add', 'name': 'Add' },
+        { 'path': 'std::ops', 'name': 'AddAssign' },
+        { 'path': 'std::ops', 'name': 'Add' },
     ],
 };

src/test/rustdoc-js/alias.js

@@ -8,12 +8,14 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-order
+
 const QUERY = '[';
 
 const EXPECTED = {
     'others': [
         { 'path': 'std', 'name': 'slice' },
-        { 'path': 'std::ops::IndexMut', 'name': 'IndexMut' },
-        { 'path': 'std::ops::Index', 'name': 'Index' },
+        { 'path': 'std::ops', 'name': 'IndexMut' },
+        { 'path': 'std::ops', 'name': 'Index' },
     ],
 };

src/test/rustdoc-js/basic.js

@@ -13,8 +13,8 @@ const QUERY = 'String';
 const EXPECTED = {
     'others': [
         { 'path': 'std::string', 'name': 'String' },
-        { 'path': 'std::ffi', 'name': 'OsString' },
         { 'path': 'std::ffi', 'name': 'CString' },
+        { 'path': 'std::ffi', 'name': 'OsString' },
     ],
     'in_args': [
         { 'path': 'std::str', 'name': 'eq' },

src/test/rustdoc/auxiliary/all-item-types.rs

@@ -0,0 +1,32 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(extern_types)]
+
+pub mod foo_mod {}
+extern "C" {
+    pub fn foo_ffn();
+    pub static FOO_FSTATIC: FooStruct;
+    pub type FooFType;
+}
+pub fn foo_fn() {}
+pub trait FooTrait {}
+pub struct FooStruct;
+pub enum FooEnum {}
+pub union FooUnion {
+    x: (),
+}
+pub type FooType = FooStruct;
+pub static FOO_STATIC: FooStruct = FooStruct;
+pub const FOO_CONSTANT: FooStruct = FooStruct;
+#[macro_export]
+macro_rules! foo_macro {
+    () => ();
+}

src/test/rustdoc/cross-crate-links.rs

@@ -0,0 +1,71 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// aux-build:all-item-types.rs
+// build-aux-docs
+
+#![feature(use_extern_macros)]
+
+#![crate_name = "foo"]
+
+#[macro_use]
+extern crate all_item_types;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/foo_mod/index.html"]' 'foo_mod'
+#[doc(no_inline)]
+pub use all_item_types::foo_mod;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/fn.foo_ffn.html"]' 'foo_ffn'
+#[doc(no_inline)]
+pub use all_item_types::foo_ffn;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/static.FOO_FSTATIC.html"]' 'FOO_FSTATIC'
+#[doc(no_inline)]
+pub use all_item_types::FOO_FSTATIC;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/foreigntype.FooFType.html"]' 'FooFType'
+#[doc(no_inline)]
+pub use all_item_types::FooFType;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/fn.foo_fn.html"]' 'foo_fn'
+#[doc(no_inline)]
+pub use all_item_types::foo_fn;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/trait.FooTrait.html"]' 'FooTrait'
+#[doc(no_inline)]
+pub use all_item_types::FooTrait;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/struct.FooStruct.html"]' 'FooStruct'
+#[doc(no_inline)]
+pub use all_item_types::FooStruct;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/enum.FooEnum.html"]' 'FooEnum'
+#[doc(no_inline)]
+pub use all_item_types::FooEnum;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/union.FooUnion.html"]' 'FooUnion'
+#[doc(no_inline)]
+pub use all_item_types::FooUnion;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/type.FooType.html"]' 'FooType'
+#[doc(no_inline)]
+pub use all_item_types::FooType;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/static.FOO_STATIC.html"]' 'FOO_STATIC'
+#[doc(no_inline)]
+pub use all_item_types::FOO_STATIC;
+
+// @has 'foo/index.html' '//a[@href="../all_item_types/constant.FOO_CONSTANT.html"]' 'FOO_CONSTANT'
+#[doc(no_inline)]
+pub use all_item_types::FOO_CONSTANT;
+
+// @has 'foo/index.html' '//a[@href="../foo/macro.foo_macro.html"]' 'foo_macro'
+#[doc(no_inline)]
+pub use all_item_types::foo_macro;

src/test/rustdoc/pub-use-extern-macros.rs

@@ -10,14 +10,11 @@
 
 // aux-build:pub-use-extern-macros.rs
 
-#![feature(use_extern_macros, macro_reexport)]
+#![feature(use_extern_macros)]
 
-// @has pub_use_extern_macros/macro.foo.html
-// @!has pub_use_extern_macros/index.html 'pub use macros::foo;'
-#[macro_reexport(foo)] extern crate macros;
+extern crate macros;
 
-// @has pub_use_extern_macros/index.html 'pub use macros::bar;'
-// @!has pub_use_extern_macros/macro.bar.html
+// @has pub_use_extern_macros/macro.bar.html
 pub use macros::bar;
 
 // @has pub_use_extern_macros/macro.baz.html
@@ -25,7 +22,7 @@ pub use macros::bar;
 #[doc(inline)]
 pub use macros::baz;
 
-// @!has pub_use_extern_macros/macro.quux.html
+// @has pub_use_extern_macros/macro.quux.html
 // @!has pub_use_extern_macros/index.html 'pub use macros::quux;'
 #[doc(hidden)]
 pub use macros::quux;

src/test/rustdoc/universal-impl-trait.rs

@@ -11,6 +11,8 @@
 #![feature(universal_impl_trait)]
 #![crate_name = "foo"]
 
+use std::io::Read;
+
 // @has foo/fn.foo.html
 // @has - //pre 'foo('
 // @matches - '_x: impl <a class="trait" href="[^"]+/trait\.Clone\.html"'
@@ -39,6 +41,11 @@ impl<T> S<T> {
     // @matches - '_baz:.+struct\.S\.html.+impl .+trait\.Clone\.html'
     pub fn baz(_baz: S<impl Clone>) {
     }
+
+    // @has - 'qux</a>('
+    // @matches - 'trait\.Read\.html'
+    pub fn qux(_qux: impl IntoIterator<Item = S<impl Read>>) {
+    }
 }
 
 // @has - 'method</a>('

src/test/rustfix/closure-immutable-outer-variable.fixed

@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,12 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// aux-build:macro_reexport_1.rs
-// aux-build:macro_reexport_2.rs
+// Point at the captured immutable outer variable
 
-#[macro_use] #[no_link]
-extern crate macro_reexport_2;
+fn foo(mut f: Box<FnMut()>) {
+    f();
+}
 
 fn main() {
-    assert_eq!(reexported!(), 3_usize);
+    let mut y = true;
+    foo(Box::new(move || y = false) as Box<_>);
 }

src/test/rustfix/closure-immutable-outer-variable.rs

@@ -1,4 +1,4 @@
-// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -8,12 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// aux-build:macro_reexport_1.rs
-// aux-build:macro_reexport_2_no_use.rs
+// Point at the captured immutable outer variable
 
-#[macro_use] #[no_link]
-extern crate macro_reexport_2_no_use;
+fn foo(mut f: Box<FnMut()>) {
+    f();
+}
 
 fn main() {
-    assert_eq!(reexported!(), 3_usize);
+    let y = true;
+    foo(Box::new(move || y = false) as Box<_>);
 }

src/test/rustfix/empty-no-fixes.fixed

@@ -0,0 +1,11 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags:--crate-type lib

src/test/rustfix/empty-no-fixes.rs

@@ -0,0 +1,11 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags:--crate-type lib

src/test/rustfix/empty-no-fixes.rs.fixed

@@ -0,0 +1,12 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags:--crate-type lib
+fn foo() {}

src/test/rustfix/issue-45562.fixed

@@ -0,0 +1,13 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[no_mangle] pub static RAH: usize = 5;
+
+fn main() {}

src/test/rustfix/issue-45562.rs

@@ -0,0 +1,13 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[no_mangle] pub const RAH: usize = 5;
+
+fn main() {}

src/test/rustfix/issue-45799-bad-extern-crate-rename-suggestion-formatting.fixed

@@ -0,0 +1,12 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+extern crate std as other_std;
+fn main() {}

src/test/rustfix/issue-45799-bad-extern-crate-rename-suggestion-formatting.rs

@@ -0,0 +1,12 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+extern crate std;
+fn main() {}

src/test/rustfix/issue-46756-consider-borrowing-cast-or-binexpr.fixed

@@ -8,15 +8,15 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: --cap-lints allow
+#![allow(unused)]
 
-// This tests that the fn_must_use feature-gate warning respects the lint
-// cap. (See discussion in Issue #44213.)
+fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize {
+    and_yet + 1
+}
 
-#![feature(rustc_attrs)]
-
-#[must_use] // (no feature-gate warning because of the lint cap!)
-fn need_to_use_it() -> bool { true }
-
-#[rustc_error]
-fn main() {} //~ ERROR compilation successful
+fn main() {
+    let behold: isize = 2;
+    let with_tears: usize = 3;
+    light_flows_our_war_of_mocking_words(&(behold as usize));
+    light_flows_our_war_of_mocking_words(&(with_tears + 4));
+}

src/test/rustfix/issue-46756-consider-borrowing-cast-or-binexpr.rs

@@ -0,0 +1,22 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![allow(unused)]
+
+fn light_flows_our_war_of_mocking_words(and_yet: &usize) -> usize {
+    and_yet + 1
+}
+
+fn main() {
+    let behold: isize = 2;
+    let with_tears: usize = 3;
+    light_flows_our_war_of_mocking_words(behold as usize);
+    light_flows_our_war_of_mocking_words(with_tears + 4);
+}

src/test/rustfix/main-no-fixes.fixed

@@ -0,0 +1,11 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {}

src/test/rustfix/main-no-fixes.rs

@@ -0,0 +1,11 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {}

src/test/rustfix/main-no-fixes.rs.fixed

@@ -0,0 +1,11 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {}

src/test/rustfix/missing-comma-in-match.fixed

@@ -0,0 +1,17 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    match &Some(3) {
+        &None => 1,
+        &Some(2) => { 3 }
+        _ => 2
+    };
+}

src/test/rustfix/missing-comma-in-match.rs

@@ -0,0 +1,17 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    match &Some(3) {
+        &None => 1
+        &Some(2) => { 3 }
+        _ => 2
+    };
+}

src/test/rustfix/str-as-char.fixed

@@ -0,0 +1,13 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    println!("●●");
+}

src/test/rustfix/str-as-char.rs

@@ -0,0 +1,13 @@
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+    println!('●●');
+}

src/test/rustfix/tuple-float-index.fixed

@@ -0,0 +1,15 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -Z parse-only
+
+fn main () {
+    ((1, (2, 3)).1).1;
+}