--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/plugin/plugin.exp	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,120 @@
+#   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+
+# This program 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.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Test the functionality of the GCC plugin support
+
+load_lib target-supports.exp
+load_lib gcc-dg.exp
+
+global TESTING_IN_BUILD_TREE
+global ENABLE_PLUGIN
+
+# The plugin testcases currently only work when the build tree is available.
+# Also check whether the host supports plugins.
+if { ![info exists TESTING_IN_BUILD_TREE] || ![info exists ENABLE_PLUGIN] } {
+    return
+}
+
+# If a testcase doesn't have special options, use these.
+global DEFAULT_CFLAGS
+if ![info exists DEFAULT_CFLAGS] then {
+    set DEFAULT_CFLAGS " -ansi -pedantic-errors"
+}
+
+# The procedures in plugin-support.exp need these parameters.
+set default_flags $DEFAULT_CFLAGS
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+# Load support procs.
+load_lib plugin-support.exp
+
+# These tests don't run runtest_file_p consistently if it
+# doesn't return the same values, so disable parallelization
+# of this *.exp file.  The first parallel runtest to reach
+# this will run all the tests serially.
+if ![gcc_parallel_test_run_p plugin] {
+    return
+}
+gcc_parallel_test_enable 0
+
+# Specify the plugin source file and the associated test files in a list.
+# plugin_test_list={ {plugin1 test1 test2 ...} {plugin2 test1 ...} ... }
+set plugin_test_list [list \
+    { selfassign.c self-assign-test-1.c self-assign-test-2.c } \
+    { ggcplug.c ggcplug-test-1.c } \
+    { one_time_plugin.c one_time-test-1.c } \
+    { start_unit_plugin.c start_unit-test-1.c } \
+    { finish_unit_plugin.c finish_unit-test-1.c } \
+    { wide-int_plugin.c wide-int-test-1.c } \
+    { diagnostic_plugin_test_show_locus.c \
+	  diagnostic-test-show-locus-bw.c \
+	  diagnostic-test-show-locus-color.c \
+	  diagnostic-test-show-locus-parseable-fixits.c \
+	  diagnostic-test-show-locus-generate-patch.c } \
+    { diagnostic_plugin_test_tree_expression_range.c \
+	  diagnostic-test-expressions-1.c } \
+    { diagnostic_plugin_show_trees.c \
+	  diagnostic-test-show-trees-1.c } \
+    { diagnostic_plugin_test_string_literals.c \
+	  diagnostic-test-string-literals-1.c \
+	  diagnostic-test-string-literals-2.c \
+	  diagnostic-test-string-literals-3.c \
+	  diagnostic-test-string-literals-4.c } \
+    { location_overflow_plugin.c \
+	  location-overflow-test-1.c \
+	  location-overflow-test-2.c } \
+    { must_tail_call_plugin.c \
+	  must-tail-call-1.c \
+	  must-tail-call-2.c } \
+]
+
+foreach plugin_test $plugin_test_list {
+    # Replace each source file with its full-path name
+    for {set i 0} {$i < [llength $plugin_test]} {incr i} {
+	set basename [lindex $plugin_test $i]
+	set plugin_test [lreplace $plugin_test $i $i $srcdir/$subdir/$basename]
+    }
+    set plugin_src [lindex $plugin_test 0]
+    # If we're only testing specific files and this isn't one of them, skip it.
+    if ![runtest_file_p $runtests $plugin_src] then {
+        continue
+    }
+    # Skip tail call tests on targets that do not have sibcall_epilogue.
+    if {[regexp ".*must_tail_call_plugin.c" $plugin_src]
+	&& [istarget arm*-*-*]
+	&& [check_effective_target_arm_thumb1]} then {
+	continue
+    }
+    set plugin_input_tests [lreplace $plugin_test 0 0]
+    plugin-test-execute $plugin_src $plugin_input_tests
+}
+
+# run the plugindir tests
+
+# Initialize `dg'.
+dg-init
+
+# Main loop.
+dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/plugindir*.\[cSi\]]] \
+	"" $DEFAULT_CFLAGS
+
+# All done.
+dg-finish
+
+gcc_parallel_test_enable 1