commit f5b25f83e30af7c141af98f14dd9471c75b3aca8
author Kostya Serebryany <kcc@google.com> Mon Apr 18 21:30:17 2016 +0000
committer Kostya Serebryany <kcc@google.com> Mon Apr 18 21:30:17 2016 +0000
tree 152761a80baad1436c3e597c5dfe76e0665a88bc
parent 6453786b2644433650cb091a480bbad63119c767

[sanitizer-coverage] make sure coverage flags are not passed to clang if the driver thinks they are unused

llvm-svn: 266673

clang/lib/Driver/SanitizerArgs.cpp

diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 1703710..ff9a0b4 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -482,6 +482,8 @@
       if ((CoverageFeatures & CoverageTracePC) ||
           (AllAddedKinds & SupportsCoverage)) {
         Arg->claim();
+      } else {
+        CoverageFeatures = 0;
       }
     } else if (Arg->getOption().matches(options::OPT_fno_sanitize_coverage)) {
       Arg->claim();