hg: valhalla/valhalla: 8233415: [lworld] VM crashes with assert(region != __null) failed: No region for 0x00000005d56dd5f0

[tobias.hartmann at oracle.com]

Changeset: fc4ba9e8ef73
Author:    thartmann
Date:      2019-11-05 16:29 +0100
URL:       https://hg.openjdk.java.net/valhalla/valhalla/rev/fc4ba9e8ef73

8233415: [lworld] VM crashes with assert(region != __null) failed: No region for 0x00000005d56dd5f0

! src/hotspot/cpu/x86/gc/g1/g1BarrierSetAssembler_x86.cpp
! src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp
+ test/hotspot/jtreg/compiler/valhalla/valuetypes/TestStressReturnBuffering.java