jdk9 b71 PIT testing
java/util/concurrent/ExecutorCompletionService/ExecutorCompletionServiceLoops.java SIGSEGV

# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xf49e95bb, pid=24041, tid=0xe3ab1b70
#
# JRE version: Java(TM) SE Embedded Runtime Environment (9.0) (build 1.9.0-internal-fastdebug-20150627021502.amurillo.jdk9-hs-2015-06--b00)
# Java VM: Java HotSpot(TM) Embedded Client VM (1.9.0-internal-fastdebug-20150627021502.amurillo.jdk9-hs-2015-06--b00 compiled mode linux-x86 )
# Problematic frame:
# J 849 C1 ExecutorCompletionServiceLoops.oneTest(I)V (146 bytes) @ 0xf49e95bb [0xf49e94c0+0xfb]