From e9bf2d159c8dc747becc32007b8c222af9f7d425 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Thu, 29 Jul 2010 16:12:45 +0000
Subject: [PATCH] When dynamic_cast'ing from a type to itself, fill in the cast
 kind with CK_NoOp. Fixes PR7727.

llvm-svn: 109757
---
 clang/lib/Sema/SemaCXXCast.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clang/lib/Sema/SemaCXXCast.cpp b/clang/lib/Sema/SemaCXXCast.cpp
index 29e9051082d2..519d5692a3cc 100644
--- a/clang/lib/Sema/SemaCXXCast.cpp
+++ b/clang/lib/Sema/SemaCXXCast.cpp
@@ -396,6 +396,7 @@ CheckDynamicCast(Sema &Self, Expr *&SrcExpr, QualType DestType,
   // C++ 5.2.7p3: If the type of v is the same as the required result type,
   //   [except for cv].
   if (DestRecord == SrcRecord) {
+    Kind = CastExpr::CK_NoOp;
     return;
   }