[PATCH] D32510: [libcxx] Fix C1XX implementation of DoNotOptimize

[Casey Carter via Phabricator via cfe-commits]

CaseyCarter created this revision.

...in test_macros.h


https://reviews.llvm.org/D32510

Files:
  test/support/test_macros.h


Index: test/support/test_macros.h
===================================================================
--- test/support/test_macros.h
+++ test/support/test_macros.h
@@ -209,7 +209,8 @@
 #include <intrin.h>
 template <class Tp>
 inline void DoNotOptimize(Tp const& value) {
-  const volatile void* volatile = __builtin_addressof(value);
+  const volatile void* volatile unused = __builtin_addressof(value);
+  static_cast<void>(unused);
   _ReadWriteBarrier();
 }
 #endif


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