From: Richard Biener <rguenther@suse.de>
Date: Tue, 10 Nov 2020 12:06:08 +0000 (+0100)
Subject: tree-optimization/97780 - fix ICE in fini_pre
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=960c4712c8e1e08f29af999d4198bd96fcccb93c;p=gcc.git

tree-optimization/97780 - fix ICE in fini_pre

This deals with blocks elimination added.

2020-11-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/97780
	* tree-ssa-pre.c (fini_pre): Deal with added basic blocks
	when freeing PHI_TRANS_TABLE.
---

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 160f3b4593a..90877e3c68e 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -4196,7 +4196,7 @@ fini_pre ()
 
   basic_block bb;
   FOR_ALL_BB_FN (bb, cfun)
-    if (PHI_TRANS_TABLE (bb))
+    if (bb->aux && PHI_TRANS_TABLE (bb))
       delete PHI_TRANS_TABLE (bb);
   free_aux_for_blocks ();
 }