An ElementRegion is really a typed region. Its super region's type has to be ArrayType.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58245 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index f14e0cb..1db330c 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -83,6 +83,13 @@
 void ElementRegion::Profile(llvm::FoldingSetNodeID& ID) const {
   ElementRegion::ProfileRegion(ID, Index, superRegion);
 }
+
+QualType ElementRegion::getType(ASTContext& C) const {
+  QualType T = cast<TypedRegion>(superRegion)->getType(C);
+  ArrayType* AT = cast<ArrayType>(T.getTypePtr());
+  return AT->getElementType();
+}
+
 //===----------------------------------------------------------------------===//
 // Region pretty-printing.
 //===----------------------------------------------------------------------===//