D-Programming-Language/dmd — pull request #1521 by AndrejMitrovic (2013-01-20 18:16:27+00:00)
Title: Issue 9358 - Compiler creates duplicate switch cases on error.

http://d.puremagic.com/issues/show_bug.cgi?id=9358

This can be pulled independently of https://github.com/D-Programming-Language/dmd/pull/1520