https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97346
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- I'm testing the following which fixes the leak(s) diff --git a/gcc/ipa-reference.c b/gcc/ipa-reference.c index 2ea2a6d5327..a6b79fb9381 100644 --- a/gcc/ipa-reference.c +++ b/gcc/ipa-reference.c @@ -966,8 +966,7 @@ propagate (void) ipa_ref_var_info_summaries = NULL; } - if (dump_file) - vec_free (reference_vars_to_consider); + vec_free (reference_vars_to_consider); reference_vars_to_consider = NULL; return remove_p ? TODO_remove_functions : 0; } @@ -1059,6 +1058,7 @@ ipa_reference_write_optimization_summary (void) auto_bitmap ltrans_statics; int i; + vec_free (reference_vars_to_consider); vec_alloc (reference_vars_to_consider, ipa_reference_vars_uids); reference_vars_to_consider->safe_grow (ipa_reference_vars_uids, true); @@ -1117,7 +1117,8 @@ ipa_reference_write_optimization_summary (void) } } lto_destroy_simple_output_block (ob); - delete reference_vars_to_consider; + vec_free (reference_vars_to_consider); + reference_vars_to_consider = NULL; } /* Deserialize the ipa info for lto. */