https://bugs.llvm.org/show_bug.cgi?id=51453
Bug ID: 51453
Summary: Backport D107824 to 13.x
Product: compiler-rt
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: release blocker
Priority: P
Component: tsan
Assignee: unassignedb...@nondot.org
Reporter: dvyu...@google.com
CC: llvm-bugs@lists.llvm.org
Tom, please backport the following commit to 13.x:
commit 1fa4c188b5a4187dba7e3809d8fd6d6eccff99f4
sanitizer_common: optimize Mutex for high contention
https://reviews.llvm.org/D107824
It's a fix for a significant performance regression for ThreadSanitizer.
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