stabilize const_int_rotate

Author: Centril

src/libcore/lib.rs

@@ -113,7 +113,7 @@
 #![feature(const_slice_len)]
 #![feature(const_str_as_bytes)]
 #![feature(const_str_len)]
-#![feature(const_int_rotate)]
+#![cfg_attr(stage0, feature(const_int_rotate))]
 #![feature(const_int_sign)]
 #![feature(const_int_conversion)]
 #![feature(const_transmute)]

src/libcore/num/mod.rs

@@ -357,7 +357,7 @@ let m = ", $rot_result, ";
 assert_eq!(n.rotate_left(", $rot, "), m);
 ```"),
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_rotate")]
+            #[cfg_attr(stage0, rustc_const_unstable(feature = "const_int_rotate"))]
             #[inline]
             pub const fn rotate_left(self, n: u32) -> Self {
                 (self as $UnsignedT).rotate_left(n) as Self
@@ -382,7 +382,7 @@ let m = ", $rot_op, ";
 assert_eq!(n.rotate_right(", $rot, "), m);
 ```"),
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_rotate")]
+            #[cfg_attr(stage0, rustc_const_unstable(feature = "const_int_rotate"))]
             #[inline]
             pub const fn rotate_right(self, n: u32) -> Self {
                 (self as $UnsignedT).rotate_right(n) as Self
@@ -2310,7 +2310,7 @@ let m = ", $rot_result, ";
 assert_eq!(n.rotate_left(", $rot, "), m);
 ```"),
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_rotate")]
+            #[cfg_attr(stage0, rustc_const_unstable(feature = "const_int_rotate"))]
             #[inline]
             pub const fn rotate_left(self, n: u32) -> Self {
                 unsafe { intrinsics::rotate_left(self, n as $SelfT) }
@@ -2335,7 +2335,7 @@ let m = ", $rot_op, ";
 assert_eq!(n.rotate_right(", $rot, "), m);
 ```"),
             #[stable(feature = "rust1", since = "1.0.0")]
-            #[rustc_const_unstable(feature = "const_int_rotate")]
+            #[cfg_attr(stage0, rustc_const_unstable(feature = "const_int_rotate"))]
             #[inline]
             pub const fn rotate_right(self, n: u32) -> Self {
                 unsafe { intrinsics::rotate_right(self, n as $SelfT) }

src/librustc_mir/transform/qualify_min_const_fn.rs

@@ -396,11 +396,13 @@ fn is_intrinsic_whitelisted(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> bool
         | "min_align_of"
         | "needs_drop"
         // Arithmetic:
-        | "overflowing_add" // ~> wrapping_add
-        | "overflowing_sub" // ~> wrapping_sub
-        | "overflowing_mul" // ~> wrapping_mul
-        | "unchecked_shl" // ~> wrapping_shl
-        | "unchecked_shr" // ~> wrapping_shr
+        | "overflowing_add" // ~> .wrapping_add
+        | "overflowing_sub" // ~> .wrapping_sub
+        | "overflowing_mul" // ~> .wrapping_mul
+        | "unchecked_shl" // ~> .wrapping_shl
+        | "unchecked_shr" // ~> .wrapping_shr
+        | "rotate_left" // ~> .rotate_left
+        | "rotate_right" // ~> .rotate_right
         => true,
         _ => false,
     }