Remove unused abi attributes.

They've been replaced by putting the name on the extern block.

  #[abi = "foo"]

goes to

  extern "foo" { }

Closes #9483.

src/test/auxiliary/anon-extern-mod-cross-crate-1.rs

@@ -8,7 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#[abi = "cdecl"];
 #[link_name = "rustrt"];
 #[link(name = "anonexternmod",
        vers = "0.1")];
@@ -17,6 +16,6 @@
 
 use std::libc;
 
-extern {
+extern "cdecl" {
     pub fn rust_get_test_int() -> libc::intptr_t;
 }

src/test/auxiliary/cci_intrinsic.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 pub mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn atomic_cxchg(dst: &mut int, old: int, src: int) -> int;
         pub fn atomic_cxchg_acq(dst: &mut int, old: int, src: int) -> int;

src/test/compile-fail/foreign-unsafe-fn-called.rs

@@ -11,8 +11,7 @@
 
 
 mod test {
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         pub fn free();
     }
 }

src/test/run-pass/anon-extern-mod.rs

@@ -10,9 +10,8 @@
 
 use std::libc;
 
-#[abi = "cdecl"]
 #[link_name = "rustrt"]
-extern {
+extern "cdecl" {
     fn rust_get_test_int() -> libc::intptr_t;
 }
 

src/test/run-pass/c-stack-as-value.rs

@@ -11,8 +11,7 @@
 mod rustrt {
     use std::libc;
 
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         pub fn rust_get_test_int() -> libc::intptr_t;
     }
 }

src/test/run-pass/c-stack-returning-int64.rs

@@ -11,9 +11,8 @@
 mod libc {
     use std::libc::{c_char, c_long, c_longlong};
 
-    #[abi = "cdecl"]
     #[nolink]
-    extern {
+    extern "cdecl" {
         pub fn atol(x: *c_char) -> c_long;
         pub fn atoll(x: *c_char) -> c_longlong;
     }

src/test/run-pass/conditional-compile.rs

@@ -21,15 +21,13 @@ static b: bool = true;
 
 mod rustrt {
     #[cfg(bogus)]
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         // This symbol doesn't exist and would be a link error if this
         // module was translated
         pub fn bogus();
     }
 
-    #[abi = "cdecl"]
-    extern {}
+    extern "cdecl" {}
 }
 
 #[cfg(bogus)]
@@ -109,8 +107,7 @@ fn test_in_fn_ctxt() {
 
 mod test_foreign_items {
     pub mod rustrt {
-        #[abi = "cdecl"]
-        extern {
+        extern "cdecl" {
             #[cfg(bogus)]
             pub fn rust_get_stdin() -> ~str;
             pub fn rust_get_stdin() -> ~str;

src/test/run-pass/foreign-dupe.rs

@@ -14,9 +14,8 @@
 mod rustrt1 {
     use std::libc;
 
-    #[abi = "cdecl"]
     #[link_name = "rustrt"]
-    extern {
+    extern "cdecl" {
         pub fn rust_get_test_int() -> libc::intptr_t;
     }
 }
@@ -24,9 +23,8 @@ mod rustrt1 {
 mod rustrt2 {
     use std::libc;
 
-    #[abi = "cdecl"]
     #[link_name = "rustrt"]
-    extern {
+    extern "cdecl" {
         pub fn rust_get_test_int() -> libc::intptr_t;
     }
 }

src/test/run-pass/foreign-fn-linkname.rs

@@ -14,8 +14,7 @@ mod libc {
     use std::libc::{c_char, size_t};
 
     #[nolink]
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         #[link_name = "strlen"]
         pub fn my_strlen(str: *c_char) -> size_t;
     }

src/test/run-pass/foreign2.rs

@@ -9,31 +9,27 @@
 // except according to those terms.
 
 mod bar {
-    #[abi = "cdecl"]
     #[nolink]
-    extern {}
+    extern "cdecl" {}
 }
 
 mod zed {
-    #[abi = "cdecl"]
     #[nolink]
-    extern {}
+    extern "cdecl" {}
 }
 
 mod libc {
     use std::libc::{c_int, c_void, size_t, ssize_t};
 
-    #[abi = "cdecl"]
     #[nolink]
-    extern {
+    extern "cdecl" {
         pub fn write(fd: c_int, buf: *c_void, count: size_t) -> ssize_t;
     }
 }
 
 mod baz {
-    #[abi = "cdecl"]
     #[nolink]
-    extern {}
+    extern "cdecl" {}
 }
 
 pub fn main() { }

src/test/run-pass/intrinsic-alignment.rs

@@ -11,7 +11,6 @@
 // xfail-fast Does not work with main in a submodule
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn pref_align_of<T>() -> uint;
         pub fn min_align_of<T>() -> uint;

src/test/run-pass/intrinsic-atomics.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn atomic_cxchg(dst: &mut int, old: int, src: int) -> int;
         pub fn atomic_cxchg_acq(dst: &mut int, old: int, src: int) -> int;

src/test/run-pass/intrinsic-frame-address.rs

@@ -11,7 +11,6 @@
 // xfail-fast
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn frame_address(f: &once fn(*u8));
     }

src/test/run-pass/intrinsic-move-val.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn move_val_init<T>(dst: &mut T, src: T);
         pub fn move_val<T>(dst: &mut T, src: T);

src/test/run-pass/intrinsic-uninit.rs

@@ -9,7 +9,6 @@
 // except according to those terms.
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn uninit<T>() -> T;
     }

src/test/run-pass/intrinsics-integer.rs

@@ -15,7 +15,6 @@
 extern mod extra;
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn ctpop8(x: i8) -> i8;
         pub fn ctpop16(x: i16) -> i16;

src/test/run-pass/intrinsics-math.rs

@@ -13,7 +13,6 @@
 #[feature(globs)];
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn sqrtf32(x: f32) -> f32;
         pub fn sqrtf64(x: f64) -> f64;

src/test/run-pass/issue-2214.rs

@@ -30,8 +30,7 @@ mod m {
     use std::libc::{c_double, c_int};
 
     #[link_name = "m"]
-    #[abi = "cdecl"]
-    extern {
+    extern "cdecl" {
         #[cfg(unix)]
         #[link_name="lgamma_r"]
         pub fn lgamma(n: c_double, sign: &mut c_int) -> c_double;

src/test/run-pass/item-attributes.rs

@@ -39,8 +39,7 @@ mod test_single_attr_outer {
 
     pub mod rustrt {
         #[attr = "val"]
-        #[abi = "cdecl"]
-        extern {}
+        extern "cdecl" {}
     }
 }
 
@@ -60,8 +59,7 @@ mod test_multi_attr_outer {
     pub mod rustrt {
         #[attr1 = "val"]
         #[attr2 = "val"]
-        #[abi = "cdecl"]
-        extern {}
+        extern "cdecl" {}
     }
 
     #[attr1 = "val"]
@@ -83,8 +81,7 @@ mod test_stmt_single_attr_outer {
 
         mod rustrt {
             #[attr = "val"]
-            #[abi = "cdecl"]
-            extern {
+            extern "cdecl" {
             }
         }
     }
@@ -110,8 +107,7 @@ mod test_stmt_multi_attr_outer {
         pub mod rustrt {
             #[attr1 = "val"]
             #[attr2 = "val"]
-            #[abi = "cdecl"]
-            extern {
+            extern "cdecl" {
             }
         }
         */
@@ -169,8 +165,7 @@ mod test_foreign_items {
     pub mod rustrt {
         use std::libc;
 
-        #[abi = "cdecl"]
-        extern {
+        extern "cdecl" {
             #[attr];
 
             #[attr]

src/test/run-pass/morestack-address.rs

@@ -10,7 +10,6 @@
 
 mod rusti {
     #[nolink]
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn morestack_addr() -> *();
     }

src/test/run-pass/rec-align-u32.rs

@@ -15,7 +15,6 @@
 use std::sys;
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn pref_align_of<T>() -> uint;
         pub fn min_align_of<T>() -> uint;

src/test/run-pass/rec-align-u64.rs

@@ -15,7 +15,6 @@
 use std::sys;
 
 mod rusti {
-    #[abi = "rust-intrinsic"]
     extern "rust-intrinsic" {
         pub fn pref_align_of<T>() -> uint;
         pub fn min_align_of<T>() -> uint;

src/test/run-pass/x86stdcall2.rs

@@ -18,7 +18,6 @@ pub type BOOL = u8;
 mod kernel32 {
     use super::{HANDLE, DWORD, SIZE_T, LPVOID, BOOL};
 
-    #[abi = "stdcall"]
     extern "stdcall" {
         pub fn GetProcessHeap() -> HANDLE;
         pub fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T)