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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/114655] New: -flto=4 at link time does not override
 -flto=auto from compile time
Date: Tue, 09 Apr 2024 12:24:29 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: lto
X-Bugzilla-Version: 14.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114655

            Bug ID: 114655
           Summary: -flto=3D4 at link time does not override -flto=3Dauto f=
rom
                    compile time
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

It looks like we now cleverly "merge" IL and link-time -flto, prefering
=3Dauto or larger =3DN.  That makes it no longer possible to debug with less
jobs active.

IMO link time -flto should override any compile-time setting.=