Region store: when casting VarRegions, if the cast-to pointee type is
incomplete, do not compute its size and return the original region.
llvm-svn: 71213
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 32226af..7f103df 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -668,6 +668,14 @@
// VarRegion.
if (isa<VarRegion>(R) || isa<ElementRegion>(R) || isa<FieldRegion>(R)
|| isa<ObjCIvarRegion>(R) || isa<CompoundLiteralRegion>(R)) {
+ // If the pointee type is incomplete, do not compute its size, and return
+ // the original region.
+ if (const RecordType *RT = dyn_cast<RecordType>(PointeeTy.getTypePtr())) {
+ const RecordDecl *D = RT->getDecl();
+ if (!D->getDefinition(getContext()))
+ return CastResult(state, R);
+ }
+
QualType ObjTy = cast<TypedRegion>(R)->getRValueType(getContext());
uint64_t PointeeTySize = getContext().getTypeSize(PointeeTy);
uint64_t ObjTySize = getContext().getTypeSize(ObjTy);