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Fix asan check in UninitializedMemoryHacks.h #2524

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Fix asan check in UninitializedMemoryHacks.h #2524

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10 changes: 1 addition & 9 deletions folly/memory/UninitializedMemoryHacks.h
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Original file line number Diff line number Diff line change
Expand Up @@ -336,15 +336,7 @@ void unsafeVectorSetLargerSize(std::vector<T>& v, std::size_t n) {
// enabled we need to call the appropriate annotation functions in order to
// stop ASAN from reporting false positives. When ASAN is disabled, the
// annotation function is a no-op.
#if defined(_LIBCPP_HAS_ASAN)
#define FOLLY_ASAN_ANNOTATE_CONTIGUOUS_CONTAINER _LIBCPP_HAS_ASAN
#elif defined(_LIBCPP_HAS_NO_ASAN)
#define FOLLY_ASAN_ANNOTATE_CONTIGUOUS_CONTAINER 0
#else
#define FOLLY_ASAN_ANNOTATE_CONTIGUOUS_CONTAINER 1
#endif

#if FOLLY_ASAN_ANNOTATE_CONTIGUOUS_CONTAINER
#if __has_feature(address_sanitizer)
__sanitizer_annotate_contiguous_container(
v.data(), v.data() + v.capacity(), v.data() + s, v.data() + n);
#endif
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