[libFuzzer] clarify the limitation of fsanitize-coverage=trace-cmp

llvm-svn: 254337
2015-11-30 22:17:19 +00:00 · 2015-11-30 22:17:19 +00:00 · a94e6e7eb0
parent c109200c53
commit a94e6e7eb0
1 changed files with 1 additions and 0 deletions
--- a/clang/docs/SanitizerCoverage.rst
+++ b/clang/docs/SanitizerCoverage.rst
@ -275,6 +275,7 @@ they will be called by the instrumented code.
  void __sanitizer_cov_trace_switch(uint64_t Val, uint64_t *Cases);

 This interface is a subject to change.
+The current implementation is not thread-safe and thus can be safely used only for single-threaded targets.

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