Fix uninitialized bool flag access in SanitizerArgs parser

llvm-svn: 172605

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 547d45c..30562f1 100644 (file)
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1442,8 +1442,8 @@ static bool UseRelaxAll(Compilation &C, const ArgList &Args) {
     RelaxDefault);
 }
 
-SanitizerArgs::SanitizerArgs(const Driver &D, const ArgList &Args) {
-  Kind = 0;
+SanitizerArgs::SanitizerArgs(const Driver &D, const ArgList &Args)
+    : Kind(0), BlacklistFile(""), MsanTrackOrigins(false) {
 
   for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I) {
     unsigned Add, Remove;

diff --git a/clang/test/Driver/fsanitize.c b/clang/test/Driver/fsanitize.c
index dc7c890..857ae32 100644 (file)
--- a/clang/test/Driver/fsanitize.c
+++ b/clang/test/Driver/fsanitize.c
@@ -36,6 +36,9 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize-memory-track-origins -pie %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-ONLY-TRACK-ORIGINS
 // CHECK-ONLY-TRACK-ORIGINS: warning: argument unused during compilation: '-fsanitize-memory-track-origins'
 
+// RUN: %clang -target x86_64-linux-gnu -fsanitize=address %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-EXTRA-TRACK-ORIGINS
+// CHECK-NO-EXTRA-TRACK-ORIGINS-NOT: "-fsanitize-memory-track-origins"
+
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize=alignment -fsanitize=vptr -fno-sanitize=vptr %s -### 2>&1
 // OK