From 4901877d241e49025431dbc08b909fd0d4828528 Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Thu, 13 Jun 2013 19:08:59 +0200
Subject: [PATCH] Handle side-effects in TupleExp::e0.

Fixes DMD testcase 'aliasthis'.
---
 gen/toir.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gen/toir.cpp b/gen/toir.cpp
index 6789bd98..a4d81501 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -3159,6 +3159,9 @@ DValue* TupleExp::toElem(IRState *p)
     IF_LOG Logger::print("TupleExp::toElem() %s\n", toChars());
     LOG_SCOPE;
 
+    // If there are any side effects, evaluate them first.
+    if (e0) e0->toElem(p);
+
     std::vector<LLType*> types;
     types.reserve(exps->dim);
     for (size_t i = 0; i < exps->dim; i++)