ash,hush: testcase for "exit" without arguments in a trap

hush fails this one

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-misc/exitcode_trap2.right b/shell/ash_test/ash-misc/exitcode_trap2.right
new file mode 100644
index 0000000..6644d86
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap2.right
@@ -0,0 +1 @@
+42:42
diff --git a/shell/ash_test/ash-misc/exitcode_trap2.tests b/shell/ash_test/ash-misc/exitcode_trap2.tests
new file mode 100755
index 0000000..f259774
--- /dev/null
+++ b/shell/ash_test/ash-misc/exitcode_trap2.tests
@@ -0,0 +1,9 @@
+# "exit" in trap should not use last command's exitcode,
+# but exitcode on entering the trap.
+$THIS_SH -c '
+ trap "false;exit" term
+ kill $$ &
+ (exit 42)
+ wait
+'
+echo 42:$?
diff --git a/shell/hush_test/hush-misc/exitcode_trap2.right b/shell/hush_test/hush-misc/exitcode_trap2.right
new file mode 100644
index 0000000..6644d86
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap2.right
@@ -0,0 +1 @@
+42:42
diff --git a/shell/hush_test/hush-misc/exitcode_trap2.tests b/shell/hush_test/hush-misc/exitcode_trap2.tests
new file mode 100755
index 0000000..f259774
--- /dev/null
+++ b/shell/hush_test/hush-misc/exitcode_trap2.tests
@@ -0,0 +1,9 @@
+# "exit" in trap should not use last command's exitcode,
+# but exitcode on entering the trap.
+$THIS_SH -c '
+ trap "false;exit" term
+ kill $$ &
+ (exit 42)
+ wait
+'
+echo 42:$?