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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug go/101407] non-determinism in -fdump-go-spec Date: Mon, 12 Jul 2021 13:09:38 +0000 [thread overview] Message-ID: <bug-101407-4-VBIHSfcdzZ@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101407-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101407 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Assignee|ian at airs dot com |jakub at gcc dot gnu.org Ever confirmed|0 |1 Last reconfirmed| |2021-07-12 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 51140 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51140&action=edit gcc12-pr101407.patch I can reproduce it. The problem is that hash_set for pointers by default uses ptr_hash, which hashes the pointer values rather than strings they point to, and that hash_set is then traversed and type lines are emitted during that traversal. So, with address space randomization the strings hash differently between different runs. This patch changes it to hash the strings instead and that should be reproduceable.
next prev parent reply other threads:[~2021-07-12 13:09 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-10 21:34 [Bug go/101407] New: " toolybird at tuta dot io 2021-07-10 23:45 ` [Bug go/101407] " toolybird at tuta dot io 2021-07-11 4:49 ` toolybird at tuta dot io 2021-07-12 13:09 ` jakub at gcc dot gnu.org [this message] 2021-07-13 0:49 ` toolybird at tuta dot io 2021-07-14 8:23 ` cvs-commit at gcc dot gnu.org 2021-07-18 23:29 ` cvs-commit at gcc dot gnu.org 2022-05-10 8:19 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:21 ` cvs-commit at gcc dot gnu.org 2022-05-11 6:36 ` jakub at gcc dot gnu.org
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