rollup merge of #21830: japaric/for-cleanup

Conflicts:
	src/librustc/metadata/filesearch.rs
	src/librustc_back/target/mod.rs
	src/libstd/os.rs
	src/libstd/sys/windows/os.rs
	src/libsyntax/ext/tt/macro_parser.rs
	src/libsyntax/print/pprust.rs
	src/test/compile-fail/issue-2149.rs

1 files changed, 0 insertions, 11 deletions

diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs
index 57489e86230..b8d770e6ad6 100644
--- a/src/libstd/ffi/os_str.rs
+++ b/src/libstd/ffi/os_str.rs
@@ -89,17 +89,6 @@ impl OsString {
     }
 }
 
-#[cfg(stage0)]
-impl ops::Index<ops::FullRange> for OsString {
-    type Output = OsStr;
-
-    #[inline]
-    fn index(&self, _index: &ops::FullRange) -> &OsStr {
-        unsafe { mem::transmute(self.inner.as_slice()) }
-    }
-}
-
-#[cfg(not(stage0))]
 impl ops::Index<ops::RangeFull> for OsString {
     type Output = OsStr;