D-Programming-Language/dmd — pull request #3775 by 9rnsr (2014-07-16 04:34:20+00:00)
Title: Issue 13113 - cannot build druntime's gc.d with -debug=INVARIANT, bad @nogc inference?

https://issues.dlang.org/show_bug.cgi?id=13113

Bypass attribute check on direct invariant calls.