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Date:      Fri, 22 Nov 2019 00:37:16 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 242150] lang/gcc9: "internal compiler error: Illegal instruction" in libgcc2.c:__mulxc3
Message-ID:  <bug-242150-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242150

            Bug ID: 242150
           Summary: lang/gcc9: "internal compiler error: Illegal
                    instruction" in libgcc2.c:__mulxc3
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: gerald@FreeBSD.org
          Reporter: john@saltant.com
          Assignee: gerald@FreeBSD.org
             Flags: maintainer-feedback?(gerald@FreeBSD.org)

After upgrading from 11.3-RELEASE to 12.1-RELEASE, the lang/gcc9 build star=
ted
failing with:

=3D=3D=3D=3D
In file included from
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.c:56:
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.c: In function
'__mulxc3':
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.h:256:16: intern=
al
compiler error: Illegal instruction
  256 | #define __N(a) __ ## a
      |                ^~
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.h:357:19: note: =
in
expansion of macro '__N'
  357 | #define __mulxc3  __N(mulxc3)
      |                   ^~~
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.c:1937:25: note:=
 in
expansion of macro '__mulxc3'
 1937 | #define _CONCAT3(A,B,C) A##B##C
      |                         ^
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.c:1936:24: note:=
 in
expansion of macro '_CONCAT3'
 1936 | #define CONCAT3(A,B,C) _CONCAT3(A,B,C)
      |                        ^~~~~~~~
/wrkdirs/usr/ports/lang/gcc9/work/gcc-9.2.0/libgcc/libgcc2.c:1967:1: note: =
in
expansion of macro 'CONCAT3'
 1967 | CONCAT3(__mul,MODE,3) (MTYPE a, MTYPE b, MTYPE c, MTYPE d)
      | ^~~~~~~
=3D=3D=3D=3D

I have poudriere logs (URL/attachment available upon request) from the last
successful build under 11.3 (2019-09-22, 9.2.0) and all failed builds start=
ing
as of 12.1 (2019-11-16, 9.2.0). ALLOW_MAKE_JOBS is not enabled, and gcc9 do=
es
not appear in ALLOW_MAKE_JOBS_PACKAGES.

--=20
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