Remove more superfluous .str() and replace std::string concatenation with Twine.

[oota-llvm.git] / lib / Option / ArgList.cpp

diff --git a/lib/Option/ArgList.cpp b/lib/Option/ArgList.cpp
index 4bc8f925e1ba6af4237918a2aa2226a21f5389f1..b771a18a106e8c7835892193786a341b1fcbbdb4 100644 (file)
--- a/lib/Option/ArgList.cpp
+++ b/lib/Option/ArgList.cpp
@@ -395,7 +395,7 @@ Arg *DerivedArgList::MakeSeparateArg(const Arg *BaseArg, const Option Opt,
 
 Arg *DerivedArgList::MakeJoinedArg(const Arg *BaseArg, const Option Opt,
                                    StringRef Value) const {
-  unsigned Index = BaseArgs.MakeIndex(Opt.getName().str() + Value.str());
+  unsigned Index = BaseArgs.MakeIndex((Opt.getName() + Value).str());
   SynthesizedArgs.push_back(make_unique<Arg>(
       Opt, MakeArgString(Opt.getPrefix() + Opt.getName()), Index,
       BaseArgs.getArgString(Index) + Opt.getName().size(), BaseArg));