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[MSan] Linker-initialize static fallback_mutex in msan_allocator.cc 

Summary:
static fallback_mutex in msan_allocator.cc does not need the ctor
call and can be linker initialized.

Issue: https://github.com/google/sanitizers/issues/194

Reviewers: morehouse, eugenis

Subscribers: delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D48145

llvm-svn: 334749
This commit is contained in:
Alex Shlyapnikov 2018-06-14 18:30:51 +00:00
parent 241b758690
commit c9b41354ff
1 changed files with 1 additions and 1 deletions
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2
compiler-rt/lib/msan/msan_allocator.cc
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@ -120,7 +120,7 @@ typedef CombinedAllocator<PrimaryAllocator, AllocatorCache,
static Allocator allocator; static Allocator allocator;
static AllocatorCache fallback_allocator_cache; static AllocatorCache fallback_allocator_cache;
static SpinMutex fallback_mutex; static StaticSpinMutex fallback_mutex;
void MsanAllocatorInit() { void MsanAllocatorInit() {
SetAllocatorMayReturnNull(common_flags()->allocator_may_return_null); SetAllocatorMayReturnNull(common_flags()->allocator_may_return_null);