[HWAsan] Fix uninitialized variable.
Found by msan.
llvm-svn: 322847
diff --git a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
index 15d97b3..df2fe37 100644
--- a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
@@ -186,6 +186,7 @@
IntptrTy = IRB.getIntPtrTy(DL);
Int8Ty = IRB.getInt8Ty();
+ HwasanCtorFunction = nullptr;
if (!ClEnableKhwasan) {
std::tie(HwasanCtorFunction, std::ignore) =
createSanitizerCtorAndInitFunctions(M, kHwasanModuleCtorName,