compiler crash in `_parse_For_list` due to incorrect value and target type assertion

[cyberthirst]

Version Information

• vyper Version (output of vyper --version): a343c1e

What's your issue about?

@external
def bar():
    d: DynArray[DynArray[uint256, 10], 10] = [[]]
    for i: DynArray[uint256, 30] in d:
        pass

vyper.exceptions.CodegenPanic: unhandled exception , parse_For

  contract "tests/custom/test.vy:4", function "bar", line 4:4 
       3     d: DynArray[DynArray[uint256, 10], 10] = [[]]
  ---> 4     for i: DynArray[uint256, 30] in d:
  -----------^
       5         pass


This is an unhandled internal compiler error. Please create an issue on Github to notify the developers!
https://github.com/vyperlang/vyper/issues/new?template=bug.md

How can it be fixed?

Fill this in if you know how to fix it.