Return a StringRef in getDefaultUniversalArchName.

Patch by Stephen Drake.

llvm-svn: 213964

2 files changed, 2 insertions, 2 deletions

diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
index c9a6c4b57f2..7ee569f8a5f 100644
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -121,7 +121,7 @@ public:
 
   /// \brief Provide the default architecture name (as expected by -arch) for
   /// this toolchain. Note t
-  std::string getDefaultUniversalArchName() const;
+  StringRef getDefaultUniversalArchName() const;
 
   std::string getTripleString() const {
     return Triple.getTriple();
diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index d2c2d55dfbf..65dd4d4e2d8 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -50,7 +50,7 @@ const SanitizerArgs& ToolChain::getSanitizerArgs() const {
   return *SanitizerArguments.get();
 }
 
-std::string ToolChain::getDefaultUniversalArchName() const {
+StringRef ToolChain::getDefaultUniversalArchName() const {
   // In universal driver terms, the arch name accepted by -arch isn't exactly
   // the same as the ones that appear in the triple. Roughly speaking, this is
   // an inverse of the darwin::getArchTypeForDarwinArchName() function, but the