From: Richard Biener <rguenther@suse.de>
Date: Tue, 3 Nov 2020 11:06:19 +0000 (+0100)
Subject: bootstrap/97666 - fix array of bool allocation
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9d1b813d0f7c9a8d80b0aee6eb1418b0afdf0f84;p=gcc.git

bootstrap/97666 - fix array of bool allocation

This fixes the bad assumption that sizeof (bool) == 1

2020-11-03  Richard Biener  <rguenther@suse.de>

	PR bootstrap/97666
	* tree-vect-slp.c (vect_build_slp_tree_2): Scale
	allocation of skip_args by sizeof (bool).
---

diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index e97fbe897a7..08018a1d799 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1428,7 +1428,7 @@ vect_build_slp_tree_2 (vec_info *vinfo, slp_tree node,
 
   /* If the SLP node is a PHI (induction or reduction), terminate
      the recursion.  */
-  bool *skip_args = XALLOCAVEC (bool, nops);
+  bool *skip_args = XALLOCAVEC (bool, sizeof (bool) * nops);
   memset (skip_args, 0, nops);
   if (loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo))
     if (gphi *stmt = dyn_cast <gphi *> (stmt_info->stmt))