From: Richard Biener <rguenther@suse.de>
Date: Tue, 8 Dec 2020 11:54:48 +0000 (+0100)
Subject: tree-optimization/98192 - fix double free in SLP
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1746681c3c167adafb7c0a30978dc2ca96144121;p=gcc.git

tree-optimization/98192 - fix double free in SLP

This makes sure to clear the vector pointer on release.

2020-12-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/98192
	* tree-vect-slp.c (vect_build_slp_instance): Get scalar_stmts
	by reference.
---

diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 35e783505b4..d248ce2c3f7 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -2212,7 +2212,7 @@ vect_analyze_slp_instance (vec_info *vinfo,
 static bool
 vect_build_slp_instance (vec_info *vinfo,
 			 slp_instance_kind kind,
-			 vec<stmt_vec_info> scalar_stmts,
+			 vec<stmt_vec_info> &scalar_stmts,
 			 stmt_vec_info root_stmt_info,
 			 unsigned max_tree_size,
 			 scalar_stmts_to_slp_tree_map_t *bst_map,