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[test] Name the local variable in the C1XX implementation of DoNotOptmize

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Differential Revision: https://reviews.llvm.org/D32510

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302162 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Casey Carter
2017-05-04 15:54:09 +00:00
parent d252306885
commit 49abbf545e
1 changed files with 2 additions and 1 deletions
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3
test/support/test_macros.h
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@@ -209,7 +209,8 @@ inline void DoNotOptimize(Tp const& value) {
#include <intrin.h> #include <intrin.h>
template <class Tp> template <class Tp>
inline void DoNotOptimize(Tp const& value) { 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(); _ReadWriteBarrier();
} }
#endif #endif