Use canonical type for building ElementRegion. Otherwise ElementRegions cannot
be unique.
llvm-svn: 73482
diff --git a/clang/lib/Analysis/MemRegion.cpp b/clang/lib/Analysis/MemRegion.cpp
index 9f066f4..9e11a26 100644
--- a/clang/lib/Analysis/MemRegion.cpp
+++ b/clang/lib/Analysis/MemRegion.cpp
@@ -296,10 +296,12 @@
ElementRegion*
MemRegionManager::getElementRegion(QualType elementType, SVal Idx,
- const MemRegion* superRegion){
+ const MemRegion* superRegion, ASTContext& Ctx){
+
+ QualType T = Ctx.getCanonicalType(elementType);
llvm::FoldingSetNodeID ID;
- ElementRegion::ProfileRegion(ID, elementType, Idx, superRegion);
+ ElementRegion::ProfileRegion(ID, T, Idx, superRegion);
void* InsertPos;
MemRegion* data = Regions.FindNodeOrInsertPos(ID, InsertPos);
@@ -307,7 +309,7 @@
if (!R) {
R = (ElementRegion*) A.Allocate<ElementRegion>();
- new (R) ElementRegion(elementType, Idx, superRegion);
+ new (R) ElementRegion(T, Idx, superRegion);
Regions.InsertNode(R, InsertPos);
}