D-Programming-Language/dmd — pull request #1647 by AndrejMitrovic (2013-02-08 19:06:44+00:00)
Title: Issue 9466 - ICE with -cov generation.

http://d.puremagic.com/issues/show_bug.cgi?id=9466

Someone should explain where the magical `(numlines + 32) / 32` expression comes from.

Otherwise this seems to fix the compiler crash.