From 138f1af2d77d56762a2c2af4759efd53c275b67e Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Mon, 21 Mar 2011 00:49:43 +0100
Subject: [PATCH 5/6] PR45052

---
 gcc/ipa-pure-const.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
index 166dabb..da9d5d6 100644
--- a/gcc/ipa-pure-const.c
+++ b/gcc/ipa-pure-const.c
@@ -416,6 +416,13 @@ check_stmt (gimple_stmt_iterator *gsip, funct_state local, bool ipa)
       print_gimple_stmt (dump_file, stmt, 0, 0);
     }
 
+  if (gimple_has_volatile_ops (stmt))
+    {
+      local->pure_const_state = IPA_NEITHER;
+      if (dump_file)
+	fprintf (dump_file, "    Volatile stmt is not const/pure\n");
+    }
+
   /* Look for loads and stores.  */
   walk_stmt_load_store_ops (stmt, local, check_load, check_store);
 
-- 
1.7.4