[gcc r14-8250] Another memory leak in vectorizable_store

[Richard Biener]

https://gcc.gnu.org/g:d190a5553a1a8e8c279f96a998a5343fdd3feb8b

commit r14-8250-gd190a5553a1a8e8c279f96a998a5343fdd3feb8b
Author: Richard Biener <rguenther@suse.de>
Date:   Thu Jan 18 14:55:49 2024 +0100

    Another memory leak in vectorizable_store
    
    Similar to the last one.
    
            * tree-vect-stmts.cc (vectorizable_store): Do not pre-allocate
            operands vector.

Diff:
---
 gcc/tree-vect-stmts.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-vect-stmts.cc b/gcc/tree-vect-stmts.cc
index 69d76c3b350..09749ae3817 100644
--- a/gcc/tree-vect-stmts.cc
+++ b/gcc/tree-vect-stmts.cc
@@ -8542,7 +8542,7 @@ vectorizable_store (vec_info *vinfo,
 
       alias_off = build_int_cst (ref_type, 0);
       stmt_vec_info next_stmt_info = first_stmt_info;
-      auto_vec<tree> vec_oprnds (ncopies);
+      auto_vec<tree> vec_oprnds;
       /* For costing some adjacent vector stores, we'd like to cost with
 	 the total number of them once instead of cost each one by one. */
       unsigned int n_adjacent_stores = 0;