From 0c6f5395644a3cb838b63e48a1df00f4648cbf20 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Sat, 22 May 2010 16:25:05 +0000
Subject: [PATCH] When determining whether we can use "this", make sure to look
 through enum contexts (along with block contexts, which we already did).
 Fixes PR7196.

llvm-svn: 104444
---
 clang/lib/Sema/Sema.cpp      |  2 +-
 clang/test/SemaCXX/class.cpp | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index 5e365de6950f..523b19639228 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -305,7 +305,7 @@ void Sema::ActOnEndOfTranslationUnit() {
 DeclContext *Sema::getFunctionLevelDeclContext() {
   DeclContext *DC = CurContext;
 
-  while (isa<BlockDecl>(DC))
+  while (isa<BlockDecl>(DC) || isa<EnumDecl>(DC))
     DC = DC->getParent();
 
   return DC;
diff --git a/clang/test/SemaCXX/class.cpp b/clang/test/SemaCXX/class.cpp
index 287f50d63a50..b5cecbcf937b 100644
--- a/clang/test/SemaCXX/class.cpp
+++ b/clang/test/SemaCXX/class.cpp
@@ -147,3 +147,15 @@ namespace PR7153 {
     ec.member = 0;
   }
 }
+
+namespace PR7196 {
+  struct A {
+    int a;
+
+    void f() {
+      char i[sizeof(a)];
+      enum { x = sizeof(i) };
+      enum { y = sizeof(a) };
+    }
+  };
+}
-- 
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