From 1bf5846abf2ce98c4c9c420d1757b01a1663d8cc Mon Sep 17 00:00:00 2001
From: John McCall <rjmccall@apple.com>
Date: Wed, 16 Feb 2011 08:02:54 +0000
Subject: Save a copy expression for non-trivial copy constructions of catch
 variables.

llvm-svn: 125661
---
 clang/lib/CodeGen/CGExprScalar.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'clang/lib/CodeGen/CGExprScalar.cpp')

diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
index e2e404f70fb..99f3f0d3231 100644
--- a/clang/lib/CodeGen/CGExprScalar.cpp
+++ b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -199,6 +199,13 @@ public:
     return llvm::ConstantInt::get(ConvertType(E->getType()), 
                                   E->getPackLength());
   }
+
+  Value *VisitOpaqueValueExpr(OpaqueValueExpr *E) {
+    if (E->isGLValue()) return EmitLoadOfLValue(E);
+
+    // Otherwise, assume the mapping is the scalar directly.
+    return CGF.getOpaqueValueMapping(E);
+  }
     
   // l-values.
   Value *VisitDeclRefExpr(DeclRefExpr *E) {
-- 
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