Implement codegen of aggregates as lvalues in binary expressions,
e.g. "(a = b).somefield".

llvm-svn: 55758
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index e43b2d3..853f445 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -282,6 +282,8 @@
   void EmitStoreThroughPropertyRefLValue(RValue Src, LValue Dst, QualType Ty);
    
   // Note: only availabe for agg return types
+  LValue EmitBinaryOperatorLValue(const BinaryOperator *E);
+  // Note: only availabe for agg return types
   LValue EmitCallExprLValue(const CallExpr *E);
   
   LValue EmitDeclRefLValue(const DeclRefExpr *E);