Enable leak sanitizer builds for darwin

Summary:
Support for leak sanitizer on darwin has been added to
compiler-rt, this patch adds compiler support.

Reviewers: dexonsmith, compnerd

Subscribers: alekseyshl, kubamracek, cfe-commits

Differential Revision: https://reviews.llvm.org/D32192

llvm-svn: 300894

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index 009a12da301..ec2212f7a80 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1035,6 +1035,8 @@ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
   const SanitizerArgs &Sanitize = getSanitizerArgs();
   if (Sanitize.needsAsanRt())
     AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
+  if (Sanitize.needsLsanRt())
+    AddLinkSanitizerLibArgs(Args, CmdArgs, "lsan");
   if (Sanitize.needsUbsanRt())
     AddLinkSanitizerLibArgs(Args, CmdArgs, "ubsan");
   if (Sanitize.needsTsanRt())
@@ -1892,6 +1894,7 @@ SanitizerMask Darwin::getSupportedSanitizers() const {
   const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64;
   SanitizerMask Res = ToolChain::getSupportedSanitizers();
   Res |= SanitizerKind::Address;
+  Res |= SanitizerKind::Leak;
   if (isTargetMacOS()) {
     if (!isMacosxVersionLT(10, 9))
       Res |= SanitizerKind::Vptr;