Eliminate one extra conversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134240 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/SubtargetFeature.cpp b/lib/MC/SubtargetFeature.cpp
index d72c346..b9caece 100644
--- a/lib/MC/SubtargetFeature.cpp
+++ b/lib/MC/SubtargetFeature.cpp
@@ -128,7 +128,7 @@
// Binary search the array
const T *F = std::lower_bound(A, Hi, KV);
// If not found then return NULL
- if (F == Hi || std::string(F->Key) != S) return NULL;
+ if (F == Hi || StringRef(F->Key) != S) return NULL;
// Return the found array item
return F;
}