D-Programming-Language/dmd — pull request #1498 by yebblies (2013-01-17 02:10:37+00:00)
Title: Fix Issue 5943 - Power expression optimisation: 2^^unsigned ==> 1<<unsigned

For the record, I hate that ^^ depends on phobos.

http://d.puremagic.com/issues/show_bug.cgi?id=5943