From de4d6f88576f617ce8b176fe329f9a465694d762 Mon Sep 17 00:00:00 2001
From: Sei Lisa <sei-lisa@email.fake>
Date: Fri, 8 Aug 2014 04:05:01 +0200
Subject: [PATCH] Propagate X flag in Cast(): if the expression executes, so
 does the cast.

---
 lslopt/lsloptimizer.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lslopt/lsloptimizer.py b/lslopt/lsloptimizer.py
index ee47bc3..a058421 100644
--- a/lslopt/lsloptimizer.py
+++ b/lslopt/lsloptimizer.py
@@ -79,6 +79,8 @@ class optimizer(renamer, deadcode):
         ret = {'nt':'CAST', 't':newtype, 'ch':[value]}
         if 'SEF' in value:
             ret['SEF'] = True
+        if 'X' in value:
+            ret['X'] = value['X']
         return ret
 
     def CopyNode(self, node):