commit 3f34d80d0c4d7d3350b3eed3b80a9333663bb283
author Ted Kremenek <kremenek@apple.com> Tue Feb 10 05:42:58 2009 +0000
committer Ted Kremenek <kremenek@apple.com> Tue Feb 10 05:42:58 2009 +0000
tree 7ff0e2a5280bc31e925afb5039c8a4b63b7a6c92
parent 193cdbe73e77171a5800ca6ecd783d909764dc88

Fix a crash in GRSimpleVals::EvalCast due not handling transparent unions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64200 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/GRSimpleVals.cpp

diff --git a/lib/Analysis/GRSimpleVals.cpp b/lib/Analysis/GRSimpleVals.cpp
index c1f455b..d50876e 100644
--- a/lib/Analysis/GRSimpleVals.cpp
+++ b/lib/Analysis/GRSimpleVals.cpp
@@ -74,6 +74,11 @@
   if (Loc::IsLocType(T) || T->isReferenceType())
     return X;
   
+  // FIXME: Handle transparent unions where a value can be "transparently"
+  //  lifted into a union type.
+  if (T->isUnionType())
+    return UnknownVal();
+  
   assert (T->isIntegerType());
   BasicValueFactory& BasicVals = Eng.getBasicVals();
   unsigned BitWidth = Eng.getContext().getTypeSize(T);