r254337 - [libFuzzer] clarify the limitation of fsanitize-coverage=trace-cmp

[Kostya Serebryany via cfe-commits]

Author: kcc
Date: Mon Nov 30 16:17:19 2015
New Revision: 254337

URL: http://llvm.org/viewvc/llvm-project?rev=254337&view=rev
Log:
[libFuzzer] clarify the limitation of fsanitize-coverage=trace-cmp

Modified:
    cfe/trunk/docs/SanitizerCoverage.rst

Modified: cfe/trunk/docs/SanitizerCoverage.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/SanitizerCoverage.rst?rev=254337&r1=254336&r2=254337&view=diff
==============================================================================
--- cfe/trunk/docs/SanitizerCoverage.rst (original)
+++ cfe/trunk/docs/SanitizerCoverage.rst Mon Nov 30 16:17:19 2015
@@ -275,6 +275,7 @@ they will be called by the instrumented
   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.
 
 Output directory
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