Add codegen support for aggregate BlockDeclRefExprs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67207 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index b3d9cb6..ff107f9 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -72,6 +72,9 @@
     EmitAggLoadOfLValue(E);
   }
   
+  void VisitBlockDeclRefExpr(const BlockDeclRefExpr *E)
+      { EmitAggLoadOfLValue(E); }
+
   // Operators.
   //  case Expr::UnaryOperatorClass:
   //  case Expr::CastExprClass: