From 1379b4b8d3f7e69dccbf5418512b8b57989a8f28 Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Fri, 22 Apr 2011 18:29:31 +0200
Subject: [PATCH] Merged DMD commit 504349171f38b724990bf3ee91ec02d4fc56874f:
 bugzilla 5117 [CTFE] Member function call with rather complex this: side
 effects ignored

---
 dmd/interpret.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dmd/interpret.c b/dmd/interpret.c
index e4f55964..bf823855 100644
--- a/dmd/interpret.c
+++ b/dmd/interpret.c
@@ -226,6 +226,8 @@ Expression *FuncDeclaration::interpret(InterState *istate, Expressions *argument
     if (needThis() && istate)
     {
         VarDeclaration *thisvar = findParentVar(thisarg, istate->localThis);
+        if (!thisvar) // it's a reference. Find which variable it refers to.
+            thisvar = findParentVar(thisarg->interpret(istate), istate->localThis);
         for (size_t i = 0; i < istate->vars.dim; i++)
         {   VarDeclaration *v = (VarDeclaration *)istate->vars.data[i];
             if (v == thisvar)