From 48e6bbffa135ac9eaf0d8df8a1ec06247e235d12 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 1 Mar 2011 17:16:20 +0000
Subject: Implement comparison of C++0x scoped enumeration types. Fixes PR9333.

llvm-svn: 126752
---
 clang/lib/Sema/SemaExpr.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'clang/lib')

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index ae0ed3e4f16..321e96f1e75 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -7024,6 +7024,12 @@ QualType Sema::CheckCompareOperands(Expr *&lex, Expr *&rex, SourceLocation Loc,
       ImpCastExprToType(rex, T, CK_BitCast);
       return ResultTy;
     }
+
+    // Handle scoped enumeration types specifically, since they don't promote
+    // to integers.
+    if (lex->getType()->isEnumeralType() &&
+        Context.hasSameUnqualifiedType(lex->getType(), rex->getType()))
+      return ResultTy;
   }
 
   // Handle block pointer types.
@@ -7123,6 +7129,7 @@ QualType Sema::CheckCompareOperands(Expr *&lex, Expr *&rex, SourceLocation Loc,
     ImpCastExprToType(lex, rType, CK_NullToPointer);
     return ResultTy;
   }
+
   return InvalidOperands(Loc, lex, rex);
 }
 
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