--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contrib/reghunt/bin/gcc-test-compiler-hangs	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,63 @@
+#! /bin/sh
+
+# Test a bug for which the compiler hangs, using environment variables
+# set in several reghunt scripts and configuration files.
+#
+# Copyright (C) 2007 Free Software Foundation.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# For a copy of the GNU General Public License, write the the
+# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+# Boston, MA 02111-1301, USA.
+
+ID=$1
+LOGID=`printf "%04d" ${ID}`
+LOG=${BUGID}.${LOGID}.out
+MSGID="bug ${BUGID}, id ${ID}"
+
+trap "echo \"`date`  compiler hang for ${MSGID}\"; pkill -9 cc1; exit $REG_FAIL" SIGUSR1
+SLEEPCNT=10
+
+# Set up to trap the hang.
+sleep $SLEEPCNT && /bin/kill -s SIGUSR1 0 &
+SLEEPID=$!
+
+# This might hang.
+$REG_TEST_COMPILER $REG_OPTS $REG_TESTCASE > ${LOG} 2>&1
+
+# The command didn't hang.  Capture its return value so we can check
+# whether it had other unexpected problems.
+RET=$?
+
+# Kill the sleep command so it won't finish normally and cause this
+# process to get a signal telling it to report a failure.
+/bin/kill $SLEEPID
+
+if [ $RET -eq 0 ]; then
+    echo "`date`  test compiled successfully for ${MSGID}"
+    exit $REG_PASS
+fi
+
+grep -q 'No such file or directory' ${LOG}
+if [ $? -eq 0 ]; then
+    echo "`date`    unexpected failure: missing file for ${MSGID}"
+    exit $REG_ERROR
+fi
+
+grep -q "egmentation fault"
+if [ $? -eq 0 ]; then
+    echo "`date`   unexpected failure: segfault for ${MSGID}"
+    exit $REG_ERROR
+fi
+
+echo "`date`    unexpected failure for ${MSGID}"
+exit $REG_ERROR