commit d7c44059d489c8ac0d897024487b0d0b575f0d7f
author Zhongxing Xu <xuzhongxing@gmail.com> Mon Oct 27 09:00:08 2008 +0000
committer Zhongxing Xu <xuzhongxing@gmail.com> Mon Oct 27 09:00:08 2008 +0000
tree c2d0601a5347c49eda198bf92c1afd0235ef27a7
parent 8475d567949f850173e0852319b75a0af75141f1

Only loc::MemRegionVal can be modified. This avoids crashing in RegionStore when a function pointer is used as an argument.

llvm-svn: 58233

clang/lib/Analysis/GRSimpleVals.cpp

diff --git a/clang/lib/Analysis/GRSimpleVals.cpp b/clang/lib/Analysis/GRSimpleVals.cpp
index a2a59f3..48b25a71 100644
--- a/clang/lib/Analysis/GRSimpleVals.cpp
+++ b/clang/lib/Analysis/GRSimpleVals.cpp
@@ -369,7 +369,7 @@
 
     SVal V = StateMgr.GetSVal(St, *I);
     
-    if (isa<Loc>(V))
+    if (isa<loc::MemRegionVal>(V))
       St = StateMgr.SetSVal(St, cast<Loc>(V), UnknownVal());
     else if (isa<nonloc::LocAsInteger>(V))
       St = StateMgr.SetSVal(St, cast<nonloc::LocAsInteger>(V).getLoc(),