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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug d/112408] [12/13/14 regression] d21 loops in getCpuInfo0B in
 Solaris/x86 kernel zone
Date: Tue, 07 Nov 2023 13:26:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112408

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Iain Buclaw
<ibuclaw@gcc.gnu.org>:

https://gcc.gnu.org/g:8a880d895a468a44fd3e268dc548e64aebe8f5d4

commit r12-9963-g8a880d895a468a44fd3e268dc548e64aebe8f5d4
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date:   Tue Nov 7 14:04:07 2023 +0100

    libphobos: Fix regression d21 loops in getCpuInfo0B in Solaris/x86 kern=
el
zone

    This function assumes that cpuid would return "invalid domain" when a
    sub-leaf index greater than what's supported is requested.  This turned
    out not to always be the case when running on some virtual machines.

    As the loop only does anything for levels 0 and 1, make that a hard
    limit for number of times the loop is ran.

        PR d/112408

    libphobos/ChangeLog:

            * libdruntime/core/cpuid.d (getCpuInfo0B): Limit number of times
loop
            runs.

    (cherry picked from commit 0b25c1295d4e84af681f4b1f4af2ad37cd270da3)=