[Bug tree-optimization/123525] [16 Regression] ICE: verify_gimple failed: conversion of register to a different size in 'view_convert_expr' with -O -mavx512f since r16-6671

sjames at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Jan 12 16:19:07 GMT 2026


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123525

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |sjames at gcc dot gnu.org

--- Comment #8 from Sam James <sjames at gcc dot gnu.org> ---
in libreoffice, I see:

/var/tmp/portage.notmp/portage/app-office/libreoffice-25.2.7.2-r1/work/libreoffice-25.2.7.2/sc/source/ui/vba/vbarange.cxx:5039:1:
error: mode size of non-integral result does not match f
ield size of ‘bit_field_ref’
 5039 | ScVbaRange::MergeArea()
      | ^~~~~~~~~~
_120 = BIT_FIELD_REF <vect_aCellAddress$EndRow_131.6003_157, 32, 0>;
during GIMPLE pass: forwprop
/var/tmp/portage.notmp/portage/app-office/libreoffice-25.2.7.2-r1/work/libreoffice-25.2.7.2/sc/source/ui/vba/vbarange.cxx:5039:1:
internal compiler error: verify_gimple failed
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
See <https://bugs.gentoo.org/> for instructions.

Is that the same, or new bug?


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