Flag -fsanitize=fuzzer to enable libfuzzer

Previously, adding libfuzzer to a project was a multi-step procedure,
involving libfuzzer compilation, linking the library, and specifying
coverage flags.
With this change,libfuzzer can be enabled by adding a single
-fsanitize=fuzzer flag instead.

llvm-svn: 301212

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 3ffb2f6e03e..50443a12524 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -869,6 +869,7 @@ SanitizerMask Linux::getSupportedSanitizers() const {
                          llvm::Triple::thumbeb;
   SanitizerMask Res = ToolChain::getSupportedSanitizers();
   Res |= SanitizerKind::Address;
+  Res |= SanitizerKind::Fuzzer;
   Res |= SanitizerKind::KernelAddress;
   Res |= SanitizerKind::Vptr;
   Res |= SanitizerKind::SafeStack;