1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Basic/LangOptions.cpp b/lib/Basic/LangOptions.cpp
index 8c0ecd46ad55..ff10a773a97c 100644
--- a/lib/Basic/LangOptions.cpp
+++ b/lib/Basic/LangOptions.cpp
@@ -15,7 +15,8 @@
 
 using namespace clang;
 
-LangOptions::LangOptions() {
+LangOptions::LangOptions()
+  : IsHeaderFile(false) {
 #define LANGOPT(Name, Bits, Default, Description) Name = Default;
 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) set##Name(Default);
 #include "clang/Basic/LangOptions.def"
@@ -34,10 +35,10 @@ void LangOptions::resetNonModularOptions() {
   SanitizerBlacklistFiles.clear();
 
   CurrentModule.clear();
+  IsHeaderFile = false;
 }
 
-bool LangOptions::isNoBuiltinFunc(const char *Name) const {
-  StringRef FuncName(Name);
+bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const {
   for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i)
     if (FuncName.equals(NoBuiltinFuncs[i]))
       return true;