[Bug c++/124150] [reflection] internal compiler error: in get_fns, at cp/tree.cc:2795

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124150

--- Comment #1 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Marek Polacek <mpolacek@gcc.gnu.org>:

https://gcc.gnu.org/g:99b63e4ac7ee06e2f5030b72dc876bf35e9842ca

commit r16-7649-g99b63e4ac7ee06e2f5030b72dc876bf35e9842ca
Author: Marek Polacek <polacek@redhat.com>
Date:   Tue Feb 17 17:08:52 2026 -0500

    c++/reflection: ICE with missing OVERLOAD [PR124150]

    A function template is supposed to be wrapped in an OVERLOAD.  Since
    in certain cases like members_of it is not, splice makes sure to add
    the OVERLOAD if needed.  But it wasn't looking into TEMPLATE_ID_EXPRs
    and so we ended up with a "naked" TEMPLATE_DECL and crashed.

    We can add the missing OVERLOAD in eval_substitute.

            PR c++/124150

    gcc/cp/ChangeLog:

            * reflect.cc (eval_substitute): Add an OVERLOAD around
            a DECL_FUNCTION_TEMPLATE_P.

    gcc/testsuite/ChangeLog:

            * g++.dg/reflect/substitute4.C: New test.

    Reviewed-by: Jason Merrill <jason@redhat.com>