D-Programming-Language/phobos — pull request #2229 by 9rnsr (2014-06-05 04:53:09+00:00)
Title: Supplemental fix for issue 12857

Required by: https://github.com/D-Programming-Language/dmd/pull/3623

The local template function zeroLen is inferred to @system. So it should not be placed directly under the @safe unittest body.