From: Richard Biener <rguenther@suse.de>
Date: Thu, 3 Oct 2024 11:26:21 +0000 (+0200)
Subject: Restore aarch64 bootstrap
X-Git-Tag: basepoints/gcc-16~5515
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=34670dee56a6bd030094801b3da900b1d214b454;p=thirdparty%2Fgcc.git

Restore aarch64 bootstrap

This zero-initializes vec_init to avoid a bogus maybe-uninitialized
diagnostic.

	* tree-vect-loop.cc (vectorizable_induction): Initialize
	vec_init.
---

diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index f5ecf0bdb80..730888f6275 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -10278,7 +10278,7 @@ vectorizable_induction (loop_vec_info loop_vinfo,
   tree vec_def;
   edge pe = loop_preheader_edge (loop);
   basic_block new_bb;
-  tree new_vec, vec_init, vec_step, t;
+  tree new_vec, vec_init = NULL_TREE, vec_step, t;
   tree new_name;
   gimple *new_stmt;
   gphi *induction_phi;