Mark slice_error_fail as a cold path

Manishearth · Manishearth · commit c0f9a39e5ca3 · 2015-11-23T09:34:58.000+05:30
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
@@ -1441,6 +1441,7 @@ pub trait StrExt {
 }
 
 #[inline(never)]
+#[cold]
 fn slice_error_fail(s: &str, begin: usize, end: usize) -> ! {
     assert!(begin <= end);
     panic!("index {} and/or {} in `{}` do not lie on character boundary",

Original file line number	Diff line number	Diff line change
`@@ -1441,6 +1441,7 @@ pub trait StrExt {`
`1441`	`1441`	`}`
`1442`	`1442`
`1443`	`1443`	`#[inline(never)]`
	`1444`	`+#[cold]`
`1444`	`1445`	`fn slice_error_fail(s: &str, begin: usize, end: usize) -> ! {`
`1445`	`1446`	`assert!(begin <= end);`
`1446`	`1447`	panic!("index {} and/or {} in `{}` do not lie on character boundary",