Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT

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From	Greg KH <gregkh@linuxfoundation.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT
Date	Thu, 05 Jun 2025 12:10:01 +0200
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X-Original-Cc	Ingo Saitz <ingo@hannover.ccc.de>, 1104745@bugs.debian.org, stable@vger.kernel.org
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Cross-posted to 2 groups.

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On Wed, Jun 04, 2025 at 10:43:11PM +0200, Uwe Kleine-König wrote:
> Control: tag -1 + fixed-upstream
> Control: forwarded -1 https://lore.kernel.org/r/20250530221824.work.623-kees@kernel.org
> 
> Hello,
> 
> On Mon, May 05, 2025 at 05:40:57PM +0200, Ingo Saitz wrote:
> > When compiling the linux kernel (tested on 6.15-rc5 and 6.14.5 from
> > kernel.org) with CONFIG_RANDSTRUCT enabled, gcc-15 throws an ICE:
> > 
> > arch/x86/kernel/cpu/proc.c:174:14: internal compiler error: in comptypes_check_enum_int, at c/c-typeck.cc:1516
> >   174 | const struct seq_operations cpuinfo_op = {
> >       |              ^~~~~~~~~~~~~~
> 
> This is claimed to be fixed in upstream by commit
> https://git.kernel.org/linus/f39f18f3c3531aa802b58a20d39d96e82eb96c14
> that is scheduled to be included in 6.16-rc1.
> 
> This wasn't explicitly marked for stable, but I think a backport would
> be good.

Does not apply cleanly, we need backports submitted to us to be able to
take it.

thanks,

greg k-h

Thread

Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-06-04 23:00 +0200
  Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT Greg KH <gregkh@linuxfoundation.org> - 2025-06-05 12:10 +0200
  Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT Ingo Saitz <ingo@hannover.ccc.de> - 2025-06-08 10:30 +0200
    Bug#1104745: gcc-15 ICE compiling linux kernel 6.14.5 with CONFIG_RANDSTRUCT Greg KH <gregkh@linuxfoundation.org> - 2025-06-23 10:40 +0200

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