Correctly constify clang::CXXMemberCallExpr::getRecordDecl()

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156074 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/ExprCXX.h

@@ -118,7 +118,7 @@ public:
   /// declaration as that of the class context of the CXXMethodDecl which this
   /// function is calling.
   /// FIXME: Returns 0 for member pointer call exprs.
-  CXXRecordDecl *getRecordDecl();
+  CXXRecordDecl *getRecordDecl() const;
 
   static bool classof(const Stmt *T) {
     return T->getStmtClass() == CXXMemberCallExprClass;

lib/AST/ExprCXX.cpp

@@ -458,7 +458,7 @@ CXXMethodDecl *CXXMemberCallExpr::getMethodDecl() const {
 }
 
 
-CXXRecordDecl *CXXMemberCallExpr::getRecordDecl() {
+CXXRecordDecl *CXXMemberCallExpr::getRecordDecl() const {
   Expr* ThisArg = getImplicitObjectArgument();
   if (!ThisArg)
     return 0;