hush: fix several syntax corner cases with function definitions

function                                             old     new   delta
parse_stream                                        3063    3075     +12
done_word                                            777     784      +7
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 19/0)               Total: 19 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/shell/hush_test/hush-misc/func6.tests b/shell/hush_test/hush-misc/func6.tests
new file mode 100755
index 000000000..5f1699c42
--- /dev/null
+++ b/shell/hush_test/hush-misc/func6.tests
@@ -0,0 +1,8 @@
+{ f() { echo $1; } }
+f 1
+
+{ f() ( echo $1; )}
+f 2
+
+{ f()(echo $1)}
+f 3