bpo-40493: fix function type comment parsing (GH-19894)

The grammar for func_type_input rejected things like `(*t1) ->t2`. This fixes that.

Automerge-Triggered-By: @gvanrossum

Shantanu committed 6y ago

603d3546264149f323edb7952b60075fb6bc4dc2

Parent: c95e691

Committed by GitHub <noreply@github.com> on 5/4/2020, 5:08:14 AM