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From: "iains at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug pch/113970] New: [14 Regression] pch/system-{1,2}.C fails on
 darwin
Date: Sat, 17 Feb 2024 13:40:02 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: pch
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: needs-bisection, wrong-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113970

            Bug ID: 113970
           Summary: [14 Regression] pch/system-{1,2}.C fails on darwin
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: needs-bisection, wrong-code
          Severity: normal
          Priority: P3
         Component: pch
          Assignee: unassigned at gcc dot gnu.org
          Reporter: iains at gcc dot gnu.org
  Target Milestone: ---
            Target: *-darwin*

somewhere between r14-8885 and r14-9043

FAIL: g++.dg/pch/system-1.C  -g assembly comparison
FAIL: g++.dg/pch/system-1.C  -O2 -g assembly comparison
FAIL: g++.dg/pch/system-2.C  -g assembly comparison
FAIL: g++.dg/pch/system-2.C  -O2 -g assembly comparison

lots of lines like:
line #354
<       .long   0x11ac1
>       .long   0x11ac2
line #691
<       .uleb128 0x22
>       .uleb128 0x21
line #703
<       .uleb128 0x22
>       .uleb128 0x21
line #805
<       .uleb128 0x22
>       .uleb128 0x21

presumably something has changed size or alignment.=