Post-merge bug: Derby fails with assert(p != __null) failed: named projection 2 not found

[Aleksey Shipilev]

Reliably reproduces with SPECjvm, derby, running with fastdebug buid.

See:
 http://cr.openjdk.java.net/~shade/shenandoah/derby-fail-hs_err.log

Roland, can you take a look?

Thanks,
-Aleksey