Fix crash reported in <rdar://problem/6695527>. We now have
SVal::GetRValueSymbolVal do the checking if we can symbolicate a type instead of
having BasicStoreManager do it (which wasn't always doing the check
consistently). Having this check in SVal::GetRValueSymbolVal keeps the check in
one centralized place.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67245 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/SVals.cpp b/lib/Analysis/SVals.cpp
index cca0e94..3762ae5 100644
--- a/lib/Analysis/SVals.cpp
+++ b/lib/Analysis/SVals.cpp
@@ -324,11 +324,18 @@
 SVal SVal::GetRValueSymbolVal(SymbolManager& SymMgr, const MemRegion* R) {
   SymbolRef sym = SymMgr.getRegionRValueSymbol(R);
                                 
-  if (const TypedRegion* TR = dyn_cast<TypedRegion>(R))
-    if (Loc::IsLocType(TR->getRValueType(SymMgr.getContext())))
+  if (const TypedRegion* TR = dyn_cast<TypedRegion>(R)) {
+    QualType T = TR->getRValueType(SymMgr.getContext());
+    
+    if (Loc::IsLocType(T))
       return Loc::MakeVal(sym);
   
-  return NonLoc::MakeVal(sym);
+    // Only handle integers for now.
+    if (T->isIntegerType())
+      return NonLoc::MakeVal(sym);
+  }
+
+  return UnknownVal();
 }
 
 nonloc::LocAsInteger nonloc::LocAsInteger::Make(BasicValueFactory& Vals, Loc V,