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| author | Dmitry Vyukov <dvyukov@google.com> | 2014-12-25 10:32:25 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2014-12-25 10:32:25 +0000 |
| commit | bda655004e93bce7c8d60a62f754e0ec6494cf1e (patch) | |
| tree | 8f68ab5bd0d98c6c3c899708e9178732c4d1d5fb /clang/lib/CodeGen/CodeGenAction.cpp | |
| parent | 25b383ac663e0406164cd951958a22e8ddfc13c1 (diff) | |
| download | bcm5719-llvm-bda655004e93bce7c8d60a62f754e0ec6494cf1e.tar.gz bcm5719-llvm-bda655004e93bce7c8d60a62f754e0ec6494cf1e.zip | |
tsan: fix trace initialization during thread id reuse
The current code leaves the first event in the trace part uninitialized
(from the previous thread). It can cause unpredictable behavior
during stack/mutexset restoration.
Initialize the first event to a fake harmless memory access.
llvm-svn: 224834
Diffstat (limited to 'clang/lib/CodeGen/CodeGenAction.cpp')
0 files changed, 0 insertions, 0 deletions
