D-Programming-Language/dmd — pull request #2894 by 9rnsr (2013-11-28 03:58:49+00:00)
Title: [REG2.065a] Issue 11626 - [ICE] (mtype.c line 9718) With missing in ref type

https://d.puremagic.com/issues/show_bug.cgi?id=11626

It's a regression caused by #2850. `tf->deco` should be calculated if and only if function type has no error.

Ping: @WalterBright