default functions don't respect nonreentrancy keys

[charles-cooper]

Version Information

• vyper Version (output of vyper --version): v0.2.16

nonreentrant keys are allowed on default functions, e.g.

@external
@payable
@nonreentrant("default")
def __default__():
    pass

but it doesn't do anything, here's the output:

      [seq,
        [if, [lt, calldatasize, 4], [goto, fallback]],
        [mstore, 28, [calldataload, 0]],
        [with, _func_sig, [mload, 0], seq],
        [seq_unchecked,
          [label, fallback],
          [seq,
            pass,
            # Line 5
            pass,
            pass,
            # Line 4
            stop]]],

[charles-cooper]

fixed in #2447