chapel-lang/chapel — pull request #633 by hildeth (2014-10-12 14:50:42+00:00)
Title: Two tweaks to fix wide string copy errors exposed by dlmalloc.

Handling of the distinguished value for an empty c_string_copy was not fully implemented
in the remote string routines. Wide strings should report a length of zero if the string
itself is a NULL. If the remote string pointer is null, the local one should be, too.