[REG2.063] Issue 10600 - ICE: Assertion failed: (type->ty != Tstruct || ((TypeStruct *)type)->sym == this), function semantic, file struct.c, line 741.

http://d.puremagic.com/issues/show_bug.cgi?id=10600

To fix 10600, should also fix another git-head regression 10624.
[REG2.064a] [Issue 10624](http://d.puremagic.com/issues/show_bug.cgi?id=10624) - ICE with tuple comparison