[perl6/specs] 0d3a8a: failure must respect return type, if any

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 0d3a8a974e6d98fa6a5e0ccf6ae500eecae2e286
      
https://github.com/perl6/specs/commit/0d3a8a974e6d98fa6a5e0ccf6ae500eecae2e286
  Author: Larry Wall <la...@wall.org>
  Date:   2013-07-04 (Thu, 04 Jul 2013)

  Changed paths:
    M S02-bits.pod

  Log Message:
  -----------
  failure must respect return type, if any