Rollup merge of rust-lang#42098 - japaric:gh42097, r=Mark-Simulacrum

core: fix unused_macro warning when compiling the crate for a target with max-atomic-width = 0 fixes rust-lang#42097
Mark-Simulacrum · May 20, 2017 · 950e426 · 950e426
2 parents 2dc1559 + e4f9db7
commit 950e426
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libcore/sync/atomic.rs b/src/libcore/sync/atomic.rs
@@ -918,6 +918,7 @@ impl<T> AtomicPtr<T> {
     }
 }
 
+#[cfg(target_has_atomic = "ptr")]
 macro_rules! atomic_int {
     ($stable:meta,
      $stable_cxchg:meta,