Correctly pass aggregates by reference when emitting thunks.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104778 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 944aa48..ece275e 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1302,6 +1302,11 @@
   /// EmitCallArg - Emit a single call argument.
   RValue EmitCallArg(const Expr *E, QualType ArgType);
 
+  /// EmitDelegateCallArg - We are performing a delegate call; that
+  /// is, the current function is delegating to another one.  Produce
+  /// a r-value suitable for passing the given parameter.
+  RValue EmitDelegateCallArg(const VarDecl *Param);
+
 private:
 
   void EmitReturnOfRValue(RValue RV, QualType Ty);