From 8bca627752ded0ccb970acd16fb9001db973e312 Mon Sep 17 00:00:00 2001
From: Markus Trippelsdorf <markus@trippelsdorf.de>
Date: Thu, 23 Mar 2017 12:23:58 +0000
Subject: [PATCH] Fix memory leak in identify_jump_threads()

	* tree-vrp.c (identify_jump_threads): Delete avail_exprs.

From-SVN: r246415
---
 gcc/ChangeLog  | 4 ++++
 gcc/tree-vrp.c | 1 +
 2 files changed, 5 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ddf90e5cd67..7135acce58a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de> 
+
+	* tree-vrp.c (identify_jump_threads): Delete avail_exprs.
+
 2017-03-23  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/80032
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c
index 26652e3b048..28d9c175dcd 100644
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -11021,6 +11021,7 @@ identify_jump_threads (void)
      ASSERT_EXPRs are still in the IL and cfg cleanup code does not yet
      handle ASSERT_EXPRs gracefully.  */
   delete equiv_stack;
+  delete avail_exprs;
   delete avail_exprs_stack;
 }