review request (S): 7123108 C1: assert(if_state != NULL) failed: states do not match up

[Roland Westrelin]

> Can you derive a regression test from the test in the report?  It's a generated test so it's pretty ugly but it should be possible to trim away most of it.

Is this ok?

http://cr.openjdk.java.net/~roland/7123108/webrev.01/

Roland.