Error: illegal discard proc

[Wh1teDuke]

Compiler won't allow to discard a proc returned from another proc

Example

proc foo: (proc: int) =
  proc bar: int = 1
  return bar

discard foo()

Current Output

prog.nim(5, 1) Error: illegal discard proc, did you mean: foo()()

Expected Output

No error. This used to compile.

Additional Information

>nim -v
Nim Compiler Version 0.19.9 [Linux: i386]
Compiled at 2018-11-20
Copyright (c) 2006-2018 by Andreas Rumpf

git hash: e8bec614131957e7bd8b9f377ba4a08aa762309c
active boot switches: -d:release

[krux02]

duplicate of #9726