test, provide regression for the noyield screw up
fix, PEBKAC, check if obarray slots are set in ninterns() before deref'ing them
minor, if yield string isn't set print pattern upon results in glep(1)
Merge branch 'tool/glep'

* tool/glep:
  minor, if yield string isn't set print pattern upon results in glep(1)
  fix, PEBKAC, check if obarray slots are set in ninterns() before deref'ing them
  test, provide regression for the noyield screw up