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| author | Kostya Serebryany <kcc@google.com> | 2016-04-18 21:30:17 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2016-04-18 21:30:17 +0000 |
| commit | f5b25f83e30af7c141af98f14dd9471c75b3aca8 (patch) | |
| tree | 152761a80baad1436c3e597c5dfe76e0665a88bc /clang | |
| parent | 6453786b2644433650cb091a480bbad63119c767 (diff) | |
| download | bcm5719-llvm-f5b25f83e30af7c141af98f14dd9471c75b3aca8.tar.gz bcm5719-llvm-f5b25f83e30af7c141af98f14dd9471c75b3aca8.zip | |
[sanitizer-coverage] make sure coverage flags are not passed to clang if the driver thinks they are unused
llvm-svn: 266673
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Driver/SanitizerArgs.cpp | 2 | ||||
| -rw-r--r-- | clang/test/Driver/fsanitize-coverage.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp index 17037108abe..ff9a0b4ca4a 100644 --- a/clang/lib/Driver/SanitizerArgs.cpp +++ b/clang/lib/Driver/SanitizerArgs.cpp @@ -482,6 +482,8 @@ SanitizerArgs::SanitizerArgs(const ToolChain &TC, if ((CoverageFeatures & CoverageTracePC) || (AllAddedKinds & SupportsCoverage)) { Arg->claim(); + } else { + CoverageFeatures = 0; } } else if (Arg->getOption().matches(options::OPT_fno_sanitize_coverage)) { Arg->claim(); diff --git a/clang/test/Driver/fsanitize-coverage.c b/clang/test/Driver/fsanitize-coverage.c index 19b4af43a2d..a13b530f265 100644 --- a/clang/test/Driver/fsanitize-coverage.c +++ b/clang/test/Driver/fsanitize-coverage.c @@ -35,6 +35,7 @@ // RUN: %clang -target x86_64-linux-gnu -fsanitize=thread -fsanitize-coverage=func %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-UNUSED // RUN: %clang -target x86_64-linux-gnu -fsanitize-coverage=func %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-UNUSED // CHECK-SANITIZE-COVERAGE-UNUSED: argument unused during compilation: '-fsanitize-coverage=func' +// CHECK-SANITIZE-COVERAGE-UNUSED-NOT: -fsanitize-coverage-type=1 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=func -fno-sanitize=address %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-SAN-DISABLED // CHECK-SANITIZE-COVERAGE-SAN-DISABLED-NOT: argument unused |
