[Bug ada/123060] [13 regression] ICE in fld_incomplete_type_of when building GtkAda with LTO

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123060

--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-15 branch has been updated by Eric Botcazou
<ebotcazou@gcc.gnu.org>:

https://gcc.gnu.org/g:0ee13aad5e101637cbc017920590d3f55048071c

commit r15-10627-g0ee13aad5e101637cbc017920590d3f55048071c
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Mon Dec 22 20:50:09 2025 +0100

    Ada: Fix ICE in fld_incomplete_type_of when building GtkAda with LTO (2)

    The change incorrectly resets the alias set of the old pointer/reference,
    which leads to the miscompilation of a few ACATS tests on some platforms.

    gcc/ada/
            PR ada/123060
            * gcc-interface/utils.cc (update_pointer_to): Preserve the alias
            sets present on the old pointer and old reference, if any.