OSAtomic simulation: use the original region as the location to load from,
instead of the ElementRegion obtained from casts.
Test cast: the leak cannot occur bacause the true branch cannot be taken.
llvm-svn: 90964
diff --git a/clang/lib/Analysis/GRExprEngine.cpp b/clang/lib/Analysis/GRExprEngine.cpp
index 4a960c6..daa249f 100644
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@@ -1483,10 +1483,13 @@
ExplodedNodeSet Tmp;
SVal location = state->getSVal(theValueExpr);
// Here we should use the value type of the region as the load type.
- const MemRegion *R = location.getAsRegion();
+ const MemRegion *R = location.getAsRegion()->StripCasts();
QualType LoadTy;
- if (R)
+ if (R) {
LoadTy = cast<TypedRegion>(R)->getValueType(C);
+ // Use the region as the real load location.
+ location = loc::MemRegionVal(R);
+ }
Engine.EvalLoad(Tmp, theValueExpr, Pred, state, location, OSAtomicLoadTag,
LoadTy);