Replace string GNU Triples with llvm::Triple in TargetMachine::getTargetTriple(). NFC.

Summary:
This continues the patch series to eliminate StringRef forms of GNU triples
from the internals of LLVM that began in r239036.

Reviewers: rengolin

Reviewed By: rengolin

Subscribers: llvm-commits, rengolin

Differential Revision: http://reviews.llvm.org/D10381


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239815 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPCAsmPrinter.cpp

@@ -1276,7 +1276,8 @@ EmitFunctionStubs(const MachineModuleInfoMachO::SymbolListTy &Stubs) {
   // freed) and since we're at the global level we can use the default
   // constructed subtarget.
   std::unique_ptr<MCSubtargetInfo> STI(TM.getTarget().createMCSubtargetInfo(
-      TM.getTargetTriple(), TM.getTargetCPU(), TM.getTargetFeatureString()));
+      TM.getTargetTriple().str(), TM.getTargetCPU(),
+      TM.getTargetFeatureString()));
   auto EmitToStreamer = [&STI] (MCStreamer &S, const MCInst &Inst) {
     S.EmitInstruction(Inst, *STI);
   };