compile:
     [copy] Copying 13 files to /var/tmp/portage/xerces-2.7.1/work/xerces-2_7_1/build/classes
   [xjavac] Compiling 657 source files to /var/tmp/portage/xerces-2.7.1/work/xerces-2_7_1/build/classes
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
#  SIGSEGV (0xb) at pc=0x00002aaaab3893e7, pid=6470, tid=16386
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (Blackdown-1.4.2-03 mixed mode)
# Problematic frame:
# V  [libjvm.so+0x1ff3e7]
#
/usr/portage/dev-java/xerces/xerces-2.7.1.ebuild: line 46:  6470 Killed          ant ${antflags}