mwinterb f3cd636f18 Always use inline asm DoNotOptimize with clang. (#452) ... * Always use inline asm DoNotOptimize with clang. clang-cl masquerades as MSVC but not GCC, so it was using the MSVC-compatible definitions of DoNotOptimize and ClobberMemory. Presumably, it's better in general to use the targeted assembly for this functionality (the codegen is different), but the specific issue is that clang-cl deprecates the usage of _ReadWriteBarrier, and this gets rid of that warning. * triggering another AppVeyor run		2017-10-10 00:19:01 +02:00
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benchmark	Always use inline asm DoNotOptimize with clang. (#452)	2017-10-10 00:19:01 +02:00