[Bug c/63344] [5 Regression] Linux (makeallyes config) compilation error: error: apic_numachip causes a section type conflict with numachip_system

["mliska at suse dot cz" <gcc-bugzilla@gcc.gnu.org>]

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63344

--- Comment #4 from Martin Liška <mliska at suse dot cz> ---
(In reply to Andi Kleen from comment #3)
> Yes it's a kernel bug. I hit it earlier too.
> 
> const always needs to go into separate sections.
> const __read_mostly is also meaningless.

Is there any existing bug in Linux Kernel that can be linked to this thread?
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Subject: [Bug c++/63356] Compilation failure where clang does not have problems
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idc356

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Created attachment 33545
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id3545&actioníit
preprocessed testcase

Here's the unreduced testcase. I cannot reduce it, because
clang doesn't handle all the __builtin_ia32_bsrsi, etc. intrinsics.