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regcomp.c: call regclass_swash() only if non-empty
authorKarl Williamson <public@khwilliamson.com>
Thu, 10 Mar 2011 15:58:34 +0000 (08:58 -0700)
committerKarl Williamson <public@khwilliamson.com>
Thu, 10 Mar 2011 16:37:58 +0000 (09:37 -0700)
commit1aa9930eb1f2ea53c64cbde87e9406c6b4e08d52
tree9d6c39afd721e2dbacabb165f7576018189a403d
parent63c0bfd59562325fed2ac5a90088ed40960ac2ad
regcomp.c: call regclass_swash() only if non-empty

We can tell if there is something outside the bitmap and so
can short circuit calling this function if there isn't.
regcomp.c