[Bug debug/110885] [10/13/14/15/16 Regression] "undefined reference" when using both "-fdebug-types-section" and "-gsplit-dwarf" and inline function as a template argument

Fri, 30 Jan 2026 02:58:46 -0800 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110885

--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <[email protected]>:

https://gcc.gnu.org/g:b61b3e19f94f9b79afd74602016603124a943510

commit r16-7185-gb61b3e19f94f9b79afd74602016603124a943510
Author: Richard Biener <[email protected]>
Date:   Fri Jan 30 09:55:38 2026 +0100

    debug/110885 - fix split-dwarf / debug-types interaction

    The following fixes a link failure due to missing skeleton
    ancestors.

            PR debug/110885
            * dwarf2out.cc (generate_skeleton_bottom_up): Generate the
            skeleton ancestor tree when moving a new child to the parent
            even for template instantiations.

            * g++.dg/debug/dwarf2/pr110885.C: New testcase.

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