/usr/portage/eclass/mozcoreconf-2.eclass: line 83: syntax error near unexpected token `;;'
/usr/portage/eclass/mozcoreconf-2.eclass: line 83: `	elif use custom-optimization || [[ ${ARCH} == alpha ]];; then'
 * 
 * ERROR: net-libs/xulrunner-1.9.0.8 failed.
 * Call stack:
 *                  ebuild.sh, line 1881:  Called source '/usr/portage/net-libs/xulrunner/xulrunner-1.9.0.8.ebuild'
 *   xulrunner-1.9.0.8.ebuild, line    7:  Called inherit 'flag-o-matic' 'toolchain-funcs' 'eutils' 'mozconfig-3' 'makeedit' 'multilib' 'java-pkg-opt-2' 'python' 'autotools'
 *                  ebuild.sh, line 1238:  Called qa_source '/usr/portage/eclass/mozconfig-3.eclass'
 *                  ebuild.sh, line   37:  Called source '/usr/portage/eclass/mozconfig-3.eclass'
 *         mozconfig-3.eclass, line    7:  Called inherit 'multilib' 'flag-o-matic' 'mozcoreconf-2'
 *                  ebuild.sh, line 1238:  Called die
 * The specific snippet of code:
 *   		qa_source "$location" || die "died sourcing $location in inherit()"
 *  The die message:
 *   died sourcing /usr/portage/eclass/mozcoreconf-2.eclass in inherit()
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/net-libs/xulrunner-1.9.0.8/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-libs/xulrunner-1.9.0.8/temp/die.env'.
 *