Remove the deprecated box(PLACE) syntax.

src/test/auxiliary/issue-2380.rs

@@ -22,5 +22,5 @@ pub trait i<T>
 pub fn f<T>() -> Box<i<T>+'static> {
     impl<T> i<T> for () { }
 
-    box() () as Box<i<T>+'static>
+    box () as Box<i<T>+'static>
 }

src/test/compile-fail/borrowck-lend-flow-if.rs

@@ -23,8 +23,7 @@ fn for_func<F>(_f: F) where F: FnOnce() -> bool { panic!() }
 fn produce<T>() -> T { panic!(); }
 
 fn inc(v: &mut Box<isize>) {
-    *v = box() (**v + 1);
-    //~^ WARN deprecated syntax
+    *v = box (**v + 1);
 }
 
 fn pre_freeze_cond() {

src/test/compile-fail/borrowck-lend-flow-loop.rs

@@ -22,8 +22,7 @@ fn cond() -> bool { panic!() }
 fn produce<T>() -> T { panic!(); }
 
 fn inc(v: &mut Box<isize>) {
-    *v = box() (**v + 1);
-    //~^ WARN deprecated syntax
+    *v = box (**v + 1);
 }
 
 fn loop_overarching_alias_mut() {

src/test/compile-fail/borrowck-lend-flow.rs

@@ -23,8 +23,7 @@ fn for_func<F>(_f: F) where F: FnOnce() -> bool { panic!() }
 fn produce<T>() -> T { panic!(); }
 
 fn inc(v: &mut Box<isize>) {
-    *v = box() (**v + 1);
-    //~^ WARN deprecated syntax
+    *v = box (**v + 1);
 }
 
 fn pre_freeze() {

src/test/compile-fail/borrowck-loan-in-overloaded-op.rs

@@ -22,8 +22,7 @@ impl Add for foo {
     fn add(self, f: foo) -> foo {
         let foo(box i) = self;
         let foo(box j) = f;
-        foo(box() (i + j))
-        //~^ WARN deprecated syntax
+        foo(box (i + j))
     }
 }
 

src/test/compile-fail/feature-gate-box-expr.rs

@@ -19,8 +19,4 @@
 fn main() {
     let x = box 'c'; //~ ERROR box expression syntax is experimental
     println!("x: {}", x);
-
-    let x = box () 'c'; //~ ERROR box expression syntax is experimental
-    //~^ WARN deprecated syntax
-    println!("x: {}", x);
 }

src/test/compile-fail/feature-gate-placement-expr.rs

@@ -19,10 +19,6 @@
 fn main() {
     use std::boxed::HEAP;
 
-    let x = box (HEAP) 'c'; //~ ERROR placement-in expression syntax is experimental
-    //~^ WARN deprecated syntax
-    println!("x: {}", x);
-
     let x = in HEAP { 'c' }; //~ ERROR placement-in expression syntax is experimental
     println!("x: {}", x);
 }

src/test/compile-fail/issue-14084.rs

@@ -12,8 +12,7 @@
 #![feature(placement_in_syntax)]
 
 fn main() {
-    box ( () ) 0;
+    in () { 0 };
     //~^ ERROR: the trait `core::ops::Placer<_>` is not implemented
     //~| ERROR: the trait `core::ops::Placer<_>` is not implemented
-    //~| WARN deprecated syntax
 }

src/test/compile-fail/moves-based-on-type-tuple.rs

@@ -11,8 +11,7 @@
 #![feature(box_syntax)]
 
 fn dup(x: Box<isize>) -> Box<(Box<isize>,Box<isize>)> {
-    box() (x, x) //~ ERROR use of moved value
-    //~^ WARN deprecated syntax
+    box (x, x) //~ ERROR use of moved value
 }
 fn main() {
     dup(box 3);

src/test/debuginfo/borrowed-tuple.rs

@@ -50,7 +50,7 @@ fn main() {
     let stack_val_ref: &(i16, f32) = &stack_val;
     let ref_to_unnamed: &(i16, f32) = &(-15, -20f32);
 
-    let unique_val: Box<(i16, f32)> = box() (-17, -22f32);
+    let unique_val: Box<(i16, f32)> = box (-17, -22f32);
     let unique_val_ref: &(i16, f32) = &*unique_val;
 
     zzz(); // #break

src/test/debuginfo/box.rs

@@ -37,7 +37,7 @@
 
 fn main() {
     let a = box 1;
-    let b = box() (2, 3.5f64);
+    let b = box (2, 3.5f64);
 
     zzz(); // #break
 }

src/test/debuginfo/destructured-fn-argument.rs

@@ -433,7 +433,7 @@ fn main() {
     managed_box(&(34, 35));
     borrowed_pointer(&(36, 37));
     contained_borrowed_pointer((&38, 39));
-    unique_pointer(box() (40, 41, 42));
+    unique_pointer(box (40, 41, 42));
     ref_binding((43, 44, 45));
     ref_binding_in_tuple((46, (47, 48)));
     ref_binding_in_struct(Struct { a: 49, b: 50 });

src/test/debuginfo/destructured-local.rs

@@ -304,7 +304,7 @@ fn main() {
     let (&cc, _) = (&38, 39);
 
     // unique pointer
-    let box dd = box() (40, 41, 42);
+    let box dd = box (40, 41, 42);
 
     // ref binding
     let ref ee = (43, 44, 45);

src/test/parse-fail/parenthesized-box-expr-message.rs

@@ -1,19 +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.
-
-// compile-flags: -Z parse-only
-
-fn main() {
-    box (1 + 1)
-    //~^ HELP try using `box ()` instead:
-    //~| SUGGESTION box () (1 + 1)
-    //~| WARN deprecated syntax
-    ; //~ ERROR expected expression, found `;`
-}

src/test/run-pass/autoderef-method-on-trait.rs

@@ -21,6 +21,6 @@ impl double for usize {
 }
 
 pub fn main() {
-    let x: Box<_> = box() (box 3usize as Box<double>);
+    let x: Box<_> = box (box 3usize as Box<double>);
     assert_eq!(x.double(), 6);
 }

src/test/run-pass/crate-method-reexport-grrrrrrr.rs

@@ -24,7 +24,7 @@ extern crate crate_method_reexport_grrrrrrr2;
 pub fn main() {
     use crate_method_reexport_grrrrrrr2::rust::add;
     use crate_method_reexport_grrrrrrr2::rust::cx;
-    let x: Box<_> = box () ();
+    let x: Box<_> = box ();
     x.cx();
     let y = ();
     y.add("hi".to_string());

src/test/run-pass/issue-10767.rs

@@ -16,5 +16,5 @@
 pub fn main() {
     fn f() {
     };
-    let _: Box<fn()> = box() (f as fn());
+    let _: Box<fn()> = box (f as fn());
 }

src/test/run-pass/issue-2935.rs

@@ -28,7 +28,7 @@ pub fn main() {
   //   let y = box ({a: 4});
   //    let z = box ({a: 4} as it);
   //    let z = box ({a: true} as it);
-    let z: Box<_> = box () (box true as Box<it>);
+    let z: Box<_> = box (box true as Box<it>);
     //  x.f();
     // y.f();
     // (*z).f();

src/test/run-pass/new-box-syntax.rs

@@ -31,10 +31,10 @@ struct Structure {
 }
 
 pub fn main() {
-    let x: Box<isize> = box(HEAP) 2;
+    let x: Box<isize> = in HEAP { 2 };
     let y: Box<isize> = box 2;
-    let b: Box<isize> = box()(1 + 2);
-    let c = box()(3 + 4);
+    let b: Box<isize> = box (1 + 2);
+    let c = box (3 + 4);
 
     let s: Box<Structure> = box Structure {
         x: 3,

src/test/run-pass/regions-early-bound-trait-param.rs

@@ -83,7 +83,7 @@ impl<'s> Trait<'s> for (isize,isize) {
 
 impl<'t> MakerTrait for Box<Trait<'t>+'static> {
     fn mk() -> Box<Trait<'t>+'static> {
-        let tup: Box<(isize, isize)> = box() (4,5);
+        let tup: Box<(isize, isize)> = box (4,5);
         tup as Box<Trait>
     }
 }

src/test/run-pass/trait-object-generics.rs

@@ -49,6 +49,6 @@ impl<V> Trait<u8,V> for () {
 }
 
 pub fn main() {
-    let a = box() () as Box<Trait<u8, u8>>;
+    let a = box () as Box<Trait<u8, u8>>;
     assert_eq!(a.method(Type::Constant((1, 2))), 0);
 }