Function Perl_gv_fetchmethod_sv_flags 

pub unsafe fn Perl_gv_fetchmethod_sv_flags(
    my_perl: *mut PerlInterpreter,
    stash: *mut HV,
    namesv: *mut SV,
    flags: U32,
) -> *mut GV

thx shim for crate::Perl_gv_fetchmethod_sv_flags.