https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109426
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> --- It's a pattern with this person: https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&cf_known_to_fail_type=allwords&cf_known_to_work_type=allwords&email1=zhonghao%40pku.org.cn&emailreporter1=1&emailtype1=substring&list_id=377697&product=gcc&query_format=advanced&resolution=INVALID See PR 86306 for discussion and their justification for these low quality reports. I think they're genuinely trying to be helpful, just not succeeding.