Function Perl_newASSIGNOP 

pub unsafe fn Perl_newASSIGNOP(
    my_perl: *mut PerlInterpreter,
    flags: I32,
    left: *mut OP,
    optype: I32,
    right: *mut OP,
) -> *mut OP

thx shim for crate::Perl_newASSIGNOP.