internal error: environment misses: on default value for generic function

[arnetheduck]

What happened?

type
  SomeX = object
    v: int


proc f(_: type int, x: SomeX, v = x.v) =
  echo v

proc a(): proc() =
  let v = SomeX(v: 42)
  var tmp = proc() =
    int.f(v)
  tmp

a()()

testit.nim(6, 35) Error: internal error: environment misses: x

Nim Version

1.6.8

Current Standard Output Logs

No response

Expected Standard Output Logs

No response

Possible Solution

No response

Additional Information

No response

[bung87]

v = x.v this part is not implemented, neither in lambda lifting nor proc declaration. not certain.