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Fix driver warning about -shared-libasan on Android. 

Asan runtime library is always shared on Android, and -shared-libasan is no-op.
Suppress the unused argument warning.

llvm-svn: 210252
This commit is contained in:
Evgeniy Stepanov 2014-06-05 11:14:00 +00:00
parent 6adb20f720
commit 6f0ae18a59
2 changed files with 10 additions and 2 deletions
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4
clang/lib/Driver/SanitizerArgs.cpp
View File

@ -171,8 +171,8 @@ SanitizerArgs::SanitizerArgs(const ToolChain &TC,
if (NeedsAsan) {
AsanSharedRuntime =
(TC.getTriple().getEnvironment() == llvm::Triple::Android) ||
Args.hasArg(options::OPT_shared_libasan);
Args.hasArg(options::OPT_shared_libasan) ||
(TC.getTriple().getEnvironment() == llvm::Triple::Android);
AsanZeroBaseShadow =
(TC.getTriple().getEnvironment() == llvm::Triple::Android);
}

8
clang/test/Driver/sanitizer-ld.c
View File

@ -134,6 +134,14 @@
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target arm-linux-androideabi -fsanitize=address \
// RUN: --sysroot=%S/Inputs/basic_android_tree/sysroot \
// RUN: -shared-libasan \
// RUN: | FileCheck --check-prefix=CHECK-ASAN-ANDROID-SHARED-LIBASAN %s
//
// CHECK-ASAN-ANDROID-SHARED-LIBASAN-NOT: argument unused during compilation: '-shared-libasan'
//
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: -target arm-linux-androideabi -fsanitize=address \
// RUN: --sysroot=%S/Inputs/basic_android_tree/sysroot \
// RUN: -shared \
// RUN: | FileCheck --check-prefix=CHECK-ASAN-ANDROID-SHARED %s
//