https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113335
--- Comment #1 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:6f75149488b74ae696788b8761d6fcfa754a0af7 commit r14-8752-g6f75149488b74ae696788b8761d6fcfa754a0af7 Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Feb 2 10:03:12 2024 +0000 libstdc++: Make std::function deduction guide support explicit object functions [PR113335] This makes the deduction guides for std::function and std::packaged_task work for explicit object member functions, i.e. "deducing this", as per LWG 3617. libstdc++-v3/ChangeLog: PR libstdc++/113335 * include/bits/std_function.h (__function_guide_helper): Add partial specialization for explicit object member functions, as per LWG 3617. * testsuite/20_util/function/cons/deduction_c++23.cc: Check explicit object member functions. * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc: Likewise.