Add support for overloaded operator-> when used in a member access
expression (smart_ptr->mem).



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59732 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 50025b2..cb06b0f 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -1122,6 +1122,8 @@
   if (OpKind == tok::arrow) {
     if (const PointerType *PT = BaseType->getAsPointerType())
       BaseType = PT->getPointeeType();
+    else if (getLangOptions().CPlusPlus && BaseType->isRecordType())
+      return BuildOverloadedArrowExpr(BaseExpr, OpLoc, MemberLoc, Member);
     else
       return Diag(MemberLoc, diag::err_typecheck_member_reference_arrow)
         << BaseType.getAsString() << BaseExpr->getSourceRange();