From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Thu, 30 Apr 2015 23:42:10 +0000 (+0000)
Subject: Make macro dumping robust against a nonexistent macro.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=382d5b5d02b8bc765f8c785d022bf9b2bae867ed;p=clang

Make macro dumping robust against a nonexistent macro.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@236285 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 98f90bb7e2..fca3f8b97c 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -207,7 +207,7 @@ void Preprocessor::dumpMacroInfo(const IdentifierInfo *II) {
   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();