https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107267
--- Comment #2 from David Binderman <dcb314 at hotmail dot com> --- There is only one mention of cp_gimplify_init_expr in that git range, and it is the final commit of Jason's, marked 6ffbf87ca66f4ed9cd79cff675fabe2109e46e85. Not a smoking gun, but possibly a lead candidate.