D-Programming-Language/dmd — pull request #1810 by WalterBright (2013-03-28 23:03:22+00:00)
Title: optimize out dead catches

With increasing inference of and use of nothrow, being able to eliminate dead catch blocks can significantly improve code speed.

Also needs Phobos pull https://github.com/D-Programming-Language/phobos/pull/1230