Intermittent compiler crash from linux-x64:
# JRE version: Java(TM) SE Runtime Environment (11.0+16) (build 11-ea+16)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (11-ea+16, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# C 0x0000000000000000
...
--------------- T H R E A D ---------------
Current thread (0x00007f6008025000): JavaThread "C2 CompilerThread3" daemon [_thread_in_native, id=28515, stack(0x00007f6088fcc000,0x00007f60890cd000)]
Current CompileTask:
C2: 179314 4016 % 4 java.util.concurrent.ConcurrentSkipListMap::findPredecessor @ 18 (113 bytes)
Stack: [0x00007f6088fcc000,0x00007f60890cd000], sp=0x00007f60890c7d38, free space=1007k
siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000000