MCDwarf: Don't save Twine to local variable, this is almost never safe to do

(and should thus never be done).
 - Should fix a crash on win32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130793 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index f61f0c24cf6c305872bc61f62b543599e09dc7e4..722cf7fa245e71c100ecd9866333c4aac955261c 100644 (file)
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -740,8 +740,8 @@ MCSymbol *FrameEmitterImpl::EmitFDE(MCStreamer &streamer,
   const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
 
   if (!asmInfo.isFunctionEHFrameSymbolPrivate()) {
-    Twine EHName = frame.Function->getName() + Twine(".eh");
-    MCSymbol *EHSym = context.GetOrCreateSymbol(EHName);
+    MCSymbol *EHSym = context.GetOrCreateSymbol(
+      frame.Function->getName() + Twine(".eh"));
     streamer.EmitEHSymAttributes(frame.Function, EHSym);
     streamer.EmitLabel(EHSym);
   }