hg: valhalla/valhalla: 8227180: [lworld] C2 compilation fails with assert(f->is_flattened()) failed: should be flattened

[tobias.hartmann at oracle.com]

Changeset: 8f3d47dc49f6
Author:    thartmann
Date:      2019-07-04 10:02 +0200
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/8f3d47dc49f6

8227180: [lworld] C2 compilation fails with assert(f->is_flattened()) failed: should be flattened

! src/hotspot/share/opto/valuetypenode.cpp
! test/hotspot/jtreg/compiler/valhalla/valuetypes/ValueTypeTest.java