Auto merge of #58616 - vertexclique:destabilize-fixed-width-atomic-integers, r=dtolnay

Destabilize fixed-width const defined atomic integers

With this PR version 1.34.0 onwards const declarations of atomic integers will be unstable.

* Closes #58089
* Reverts partially: #57425

Author: bors

src/libcore/sync/atomic.rs

@@ -1131,6 +1131,7 @@ macro_rules! atomic_int {
      $stable_access:meta,
      $stable_from:meta,
      $stable_nand:meta,
+     $stable_init_const:meta,
      $s_int_type:expr, $int_ref:expr,
      $extra_feature:expr,
      $min_fn:ident, $max_fn:ident,
@@ -1156,7 +1157,7 @@ macro_rules! atomic_int {
         }
 
         /// An atomic integer initialized to `0`.
-        #[$stable]
+        #[$stable_init_const]
         #[cfg_attr(stage0, rustc_deprecated(
             since = "1.34.0",
             reason = "the `new` function is now preferred",
@@ -1891,6 +1892,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "i8", "../../../std/primitive.i8.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_min, atomic_max,
@@ -1906,6 +1908,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "u8", "../../../std/primitive.u8.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_umin, atomic_umax,
@@ -1921,6 +1924,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "i16", "../../../std/primitive.i16.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_min, atomic_max,
@@ -1936,6 +1940,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "u16", "../../../std/primitive.u16.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_umin, atomic_umax,
@@ -1951,6 +1956,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "i32", "../../../std/primitive.i32.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_min, atomic_max,
@@ -1966,6 +1972,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "u32", "../../../std/primitive.u32.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_umin, atomic_umax,
@@ -1981,6 +1988,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "i64", "../../../std/primitive.i64.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_min, atomic_max,
@@ -1996,6 +2004,7 @@ atomic_int! {
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
     stable(feature = "integer_atomics_stable", since = "1.34.0"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "u64", "../../../std/primitive.u64.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_umin, atomic_umax,
@@ -2011,6 +2020,7 @@ atomic_int! {
     unstable(feature = "integer_atomics", issue = "32976"),
     unstable(feature = "integer_atomics", issue = "32976"),
     unstable(feature = "integer_atomics", issue = "32976"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "i128", "../../../std/primitive.i128.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_min, atomic_max,
@@ -2026,6 +2036,7 @@ atomic_int! {
     unstable(feature = "integer_atomics", issue = "32976"),
     unstable(feature = "integer_atomics", issue = "32976"),
     unstable(feature = "integer_atomics", issue = "32976"),
+    unstable(feature = "integer_atomics", issue = "32976"),
     "u128", "../../../std/primitive.u128.html",
     "#![feature(integer_atomics)]\n\n",
     atomic_umin, atomic_umax,
@@ -2053,6 +2064,7 @@ atomic_int!{
     stable(feature = "atomic_access", since = "1.15.0"),
     stable(feature = "atomic_from", since = "1.23.0"),
     stable(feature = "atomic_nand", since = "1.27.0"),
+    stable(feature = "rust1", since = "1.0.0"),
     "isize", "../../../std/primitive.isize.html",
     "",
     atomic_min, atomic_max,
@@ -2068,6 +2080,7 @@ atomic_int!{
     stable(feature = "atomic_access", since = "1.15.0"),
     stable(feature = "atomic_from", since = "1.23.0"),
     stable(feature = "atomic_nand", since = "1.27.0"),
+    stable(feature = "rust1", since = "1.0.0"),
     "usize", "../../../std/primitive.usize.html",
     "",
     atomic_umin, atomic_umax,