From: Richard Biener <rguenther@suse.de>
Date: Mon, 24 Jun 2019 17:19:36 +0000 (+0000)
Subject: re PR tree-optimization/90930 (Excessive memory consumption)
X-Git-Tag: releases/gcc-9.2.0~209
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69490dcd9e8ef5fecff61ea51f45753e11853642;p=thirdparty%2Fgcc.git

re PR tree-optimization/90930 (Excessive memory consumption)

2019-06-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/90930
	PR tree-optimization/90316
	* tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
	decrement of limit.

From-SVN: r272622
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 80c07b996fd8..284b85f99d15 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2019-06-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/90930
+	PR tree-optimization/90316
+	* tree-ssa-alias.c (walk_non_aliased_vuses): Add missing
+	decrement of limit.
+
 2019-06-16  Jeff Law  <law@redhat.com>
 
 	Backport from mainline
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index aa0398bf2485..2be10e199ba0 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -2818,6 +2818,7 @@ walk_non_aliased_vuses (ao_ref *ref, tree vuse,
 	      res = NULL;
 	      break;
 	    }
+	  --limit;
 	  if (stmt_may_clobber_ref_p_1 (def_stmt, ref))
 	    {
 	      if (!translate)