hg: valhalla/valhalla: 8204954: [lworld] FlattenableSemanticTest crashes with assert(false) failed: DEBUG MESSAGE: null oop passed to encode_heap_oop_not_null2

[tobias.hartmann at oracle.com]

Changeset: f113c7a0f6b3
Author:    thartmann
Date:      2018-06-14 12:47 +0200
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/f113c7a0f6b3

8204954: [lworld] FlattenableSemanticTest crashes with assert(false) failed: DEBUG MESSAGE: null oop passed to encode_heap_oop_not_null2

! src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp
! src/hotspot/share/opto/parse1.cpp
! src/hotspot/share/opto/type.cpp
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestLWorld.java
! test/hotspot/jtreg/runtime/valhalla/valuetypes/FlattenableSemanticTest.java