Index: include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
===================================================================
--- include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
+++ include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
@@ -294,6 +294,9 @@
   ProgramStateRef enterStackFrame(const CallEvent &Call,
                                   const StackFrameContext *CalleeCtx) const;
 
+  /// Get the lvalue for a base class object reference.
+  Loc getLValue(const CXXBaseSpecifier &BaseSpec, const SubRegion *Super) const;
+
   /// Get the lvalue for a variable reference.
   Loc getLValue(const VarDecl *D, const LocationContext *LC) const;
 
@@ -724,6 +727,14 @@
   return this;
 }
 
+inline Loc ProgramState::getLValue(const CXXBaseSpecifier &BaseSpec,
+                                   const SubRegion *Super) const {
+  const auto Base = BaseSpec.getType()->getAsCXXRecordDecl();
+  return loc::MemRegionVal(
+      getStateManager().getRegionManager().getCXXBaseObjectRegion(
+                                            Base, Super, BaseSpec.isVirtual()));
+}
+
 inline Loc ProgramState::getLValue(const VarDecl *VD,
                                const LocationContext *LC) const {
   return getStateManager().StoreMgr->getLValueVar(VD, LC);