https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113451
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Jason Merrill <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:dd7aa986fd12fc24e9d2efb8a8b267acb2bf19ea commit r14-8632-gdd7aa986fd12fc24e9d2efb8a8b267acb2bf19ea Author: Jason Merrill <ja...@redhat.com> Date: Tue Jan 30 11:36:53 2024 -0500 testsuite: mangle-reparm1a options [PR113451] When I added -fabi-compat-version=8 to avoid mangling aliases it also suppressed the -Wabi warning. PR c++/113451 gcc/testsuite/ChangeLog: * g++.dg/abi/mangle-regparm1a.C: Use -Wabi=0.