From: Richard Biener <rguenther@suse.de>
Date: Mon, 24 Jun 2019 17:17:26 +0000 (+0000)
Subject: re PR tree-optimization/90930 (Excessive memory consumption)
X-Git-Tag: misc/cutover-git~4602
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bab9de71b45df56e3ad90aa817d7e23ea79d726d;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: r272621
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 942c6fd7539d..b56cc77396ce 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.
+
 2019-06-24  Martin Sebor  <msebor@redhat.com>
 
 	* tree-pretty-print.h: Remove unnecessary punctuation characters
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 32583156350b..d9307390e4c9 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -3135,6 +3135,7 @@ 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)