Revert 68028.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68068 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index 7c13f07..738e8c6 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -111,6 +111,28 @@
 // getLValueType() and getRValueType()
 //===----------------------------------------------------------------------===//
 
+QualType SymbolicRegion::getRValueType(ASTContext& C) const {
+  // Get the type of the symbol.
+  QualType T = sym->getType(C);
+
+  if (const PointerType* PTy = T->getAsPointerType())
+    return PTy->getPointeeType();
+    
+  if (const BlockPointerType* PTy = T->getAsBlockPointerType())
+    return PTy->getPointeeType();
+
+  // There is no rvalue type of id<...>.
+  if (T->getAsObjCQualifiedIdType())
+    return QualType();
+  
+  assert(Loc::IsLocType(T) && "Non-location type.");
+  return QualType();
+}
+
+QualType SymbolicRegion::getLValueType(ASTContext& C) const {
+  return sym->getType(C);
+}
+
 QualType ElementRegion::getRValueType(ASTContext& C) const {
   // Strip off typedefs from the ArrayRegion's RvalueType.
   QualType T = getArrayRegion()->getRValueType(C)->getDesugaredType();