From: Reid Spencer <rspencer@reidspencer.com>
Date: Wed, 11 Apr 2007 12:10:08 +0000 (+0000)
Subject: Fix a crash-by-unknown-exception caused by attempting to use a null pointer
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=84867442146b6a860ba01e65b3b225cba56cb283;p=oota-llvm.git

Fix a crash-by-unknown-exception caused by attempting to use a null pointer
as the key for a map insertion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35896 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/llvm-upgrade/UpgradeParser.y b/tools/llvm-upgrade/UpgradeParser.y
index 1751912a2e6..0173b44dddc 100644
--- a/tools/llvm-upgrade/UpgradeParser.y
+++ b/tools/llvm-upgrade/UpgradeParser.y
@@ -774,7 +774,8 @@ static void ResolveTypeTo(char *Name, const Type *ToTy, const Signedness& Sign){
     D = ValID::create((int)CurModule.Types.size());
   D.S.copy(Sign);
 
-  CurModule.NamedTypeSigns[Name] = Sign;
+  if (Name)
+    CurModule.NamedTypeSigns[Name] = Sign;
 
   std::map<ValID, PATypeHolder>::iterator I =
     CurModule.LateResolveTypes.find(D);