https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66782
--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> --- Related to PR 57003 [1]. Somewhere, CALL_INSN_FUNCTION_USAGE processing is missing. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57003#c23
