From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 21 Feb 2008 23:17:39 +0000 (+0000)
Subject: Return "Unknown" when using the value of a function pointer whose value
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9c374179796b957e931dc05945b755ce1b21bb90;p=clang

Return "Unknown" when using the value of a function pointer whose value
is symbolic.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47463 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Analysis/ValueState.cpp b/Analysis/ValueState.cpp
index e175a1cd8f..7cd89fdd7e 100644
--- a/Analysis/ValueState.cpp
+++ b/Analysis/ValueState.cpp
@@ -156,7 +156,11 @@ RVal ValueStateManager::GetRVal(ValueState St, const LVal& LV, QualType T) {
       const lval::SymbolVal& SV = cast<lval::SymbolVal>(LV);
       assert (T.getTypePtr());
       
-      if (T.getTypePtr()->isPointerType())
+      // Punt on "symbolic" function pointers.
+      if (T->isFunctionType())
+        return UnknownVal();
+      
+      if (T->isPointerType())
         return lval::SymbolVal(SymMgr.getContentsOfSymbol(SV.getSymbol()));
       else
         return nonlval::SymbolVal(SymMgr.getContentsOfSymbol(SV.getSymbol()));