From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 763C63858D39; Wed, 10 Apr 2024 07:29:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 763C63858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1712734167; bh=WltAardL7dvA1//+kvH1LCDzxCQc+B1WNEAcApJGtDY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tm3H/7iAU6vbFIgvw499QzS+2wxr16b/fz6453i9AXjYuqFn3CrP3FxobiJ4eh2qc OobGgNQYCMVQgb8iIxA6U1yjA9d24xrBuJIjzMFC2yzGlkVSpan4EaS4McQWlA3fpk n0RHFTu7ImCfgYi1Xg6c3RnRzjiSw7M3bUvZGWvQ= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/113208] [14 Regression] lto1: error: Alias and target's comdat groups differs since r14-5979-g99d114c15523e0 Date: Wed, 10 Apr 2024 07:29:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-checking, ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113208 --- Comment #23 from Richard Biener --- So we have _ZN6vectorI12QualityValueEC{2,5}ERKS1_ so C2 vs C5, whatever that exactly means. When not using -flto and not optimizing the comdat group in both objects is COMDAT group section [ 2] `.group' [_ZN6vectorI12QualityValueEC5ERKS1_] contains 2 sections: [Index] Name [ 9] .text._ZN6vectorI12QualityValueEC2ERKS1_ [ 10] .rela.text._ZN6vectorI12QualityValueEC2ERKS1_ the comdat group doesn't survive to the non-LTO object when optimizing. I'm a bit lost as to where to look for the error. Honza?=