r236285 - Make macro dumping robust against a nonexistent macro.

[Richard Smith]

Author: rsmith
Date: Thu Apr 30 18:42:10 2015
New Revision: 236285

URL: http://llvm.org/viewvc/llvm-project?rev=236285&view=rev
Log:
Make macro dumping robust against a nonexistent macro.

Modified:
    cfe/trunk/lib/Lex/PPMacroExpansion.cpp

Modified: cfe/trunk/lib/Lex/PPMacroExpansion.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/PPMacroExpansion.cpp?rev=236285&r1=236284&r2=236285&view=diff
==============================================================================
--- cfe/trunk/lib/Lex/PPMacroExpansion.cpp (original)
+++ cfe/trunk/lib/Lex/PPMacroExpansion.cpp Thu Apr 30 18:42:10 2015
@@ -207,7 +207,7 @@ void Preprocessor::dumpMacroInfo(const I
   llvm::errs() << "MacroState " << State << " " << II->getNameStart();
   if (State && State->isAmbiguous(*this, II))
     llvm::errs() << " ambiguous";
-  if (!State->getOverriddenMacros().empty()) {
+  if (State && !State->getOverriddenMacros().empty()) {
     llvm::errs() << " overrides";
     for (auto *O : State->getOverriddenMacros())
       llvm::errs() << " " << O->getOwningModule()->getFullModuleName();