ash: fix bug where redirection of closed fd was leaving it open afterwards.
redirect 983 1024 +41
bb_echo 276 301 +25
popredir 118 132 +14
evalcommand 1163 1176 +13
bbunpack 358 366 +8
echocmd 13 5 -8
echo_main 13 5 -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/2 up/down: 101/-16) Total: 85 bytes
text data bss dec hex filename
774999 962 9236 785197 bfb2d busybox_old
775084 962 9236 785282 bfb82 busybox_unstripped
diff --git a/shell/ash_test/ash-redir/redir.right b/shell/ash_test/ash-redir/redir.right
new file mode 100644
index 0000000..2a02d41
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir.right
@@ -0,0 +1 @@
+TEST
diff --git a/shell/ash_test/ash-redir/redir.tests b/shell/ash_test/ash-redir/redir.tests
new file mode 100644
index 0000000..7a1a668
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir.tests
@@ -0,0 +1,6 @@
+# test: closed fds should stay closed
+exec 1>&-
+echo TEST >TEST
+echo JUNK # lost: stdout is closed
+cat TEST >&2
+rm TEST