From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 1 Feb 2019 08:07:35 +0000 (+0000)
Subject: 2019-02-01  Richard Biener  <rguenth@suse.de>
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0338fcd3be4f6ae7de4591656abc98e0643a3b94;p=thirdparty%2Fgcc.git

2019-02-01  Richard Biener  <rguenth@suse.de>

	PR rtl-optimization/88593
	* mode-switching.c (optimize_mode_switching): Free dominators before
	calling cleanup_cfg.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@268442 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d4ee2a2754c6..6b3437fe7b07 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-02-01  Richard Biener  <rguenth@suse.de>
+
+	PR rtl-optimization/88593
+	* mode-switching.c (optimize_mode_switching): Free dominators before
+	calling cleanup_cfg.
+
 2019-02-01  Bin Cheng  <bin.cheng@linux.alibaba.com>
 
 	PR tree-optimization/88932
diff --git a/gcc/mode-switching.c b/gcc/mode-switching.c
index ef6f6e1984c5..2ff21a400813 100644
--- a/gcc/mode-switching.c
+++ b/gcc/mode-switching.c
@@ -856,7 +856,10 @@ optimize_mode_switching (void)
     commit_edge_insertions ();
 
   if (targetm.mode_switching.entry && targetm.mode_switching.exit)
-    cleanup_cfg (CLEANUP_NO_INSN_DEL);
+    {
+      free_dominance_info (CDI_DOMINATORS);
+      cleanup_cfg (CLEANUP_NO_INSN_DEL);
+    }
   else if (!need_commit && !emitted)
     return 0;