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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-8228] Fix memory leak in vectorizable_store Date: Thu, 18 Jan 2024 13:14:20 +0000 (GMT) [thread overview] Message-ID: <20240118131420.DA9A0386D625@sourceware.org> (raw) https://gcc.gnu.org/g:5b421c2a5b429fcebd7ee6444a5677633df0f28a commit r14-8228-g5b421c2a5b429fcebd7ee6444a5677633df0f28a Author: Richard Biener <rguenther@suse.de> Date: Thu Jan 18 13:04:17 2024 +0100 Fix memory leak in vectorizable_store The following fixes a memory leak in vectorizable_store which happens because the functions populating gvec_oprnds[i] will call .create () on the incoming vector, leaking what we've previously allocated. * tree-vect-stmts.cc (vectorizable_store): Do not allocate storage for gvec_oprnds elements. 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 cabd4e3ae86..69d76c3b350 100644 --- a/gcc/tree-vect-stmts.cc +++ b/gcc/tree-vect-stmts.cc @@ -8772,7 +8772,7 @@ vectorizable_store (vec_info *vinfo, tree vec_mask = NULL; auto_delete_vec<auto_vec<tree>> gvec_oprnds (group_size); for (i = 0; i < group_size; i++) - gvec_oprnds.quick_push (new auto_vec<tree> (ncopies)); + gvec_oprnds.quick_push (new auto_vec<tree> ()); if (memory_access_type == VMAT_LOAD_STORE_LANES) {
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