[PATCH] Fix cpp ICE (regression from 2.95.x or 3.0.4)

[Neil Booth]

Jakub Jelinek wrote:-

> No, this is -dM case, not -M.

Heh, silly me.  Thanks for fixing this.  The comment about testcases
was written before all my mail had come in (I've been away for a few
days); but I'd appreciate it if you'd add something to the CPP manual
(maybe under 'd') about how the switch combinations interact.

Thanks,

Neil.