hush: fix remaining known two bugs with IFS expansion. Closes 4027.

function                                             old     new   delta
expand_vars_to_list                                 1054    1140     +86
parse_stream                                        2425    2479     +54
expand_on_ifs                                        258     310     +52
builtin_umask                                        133     132      -1
done_word                                            820     779     -41
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 192/-42)           Total: 150 bytes

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

2 files changed, 6 insertions, 3 deletions

diff --git a/shell/hush_test/hush-parsing/starquoted2.right b/shell/hush_test/hush-parsing/starquoted2.right
index e1562ed6d..1bff408ca 100644
--- a/shell/hush_test/hush-parsing/starquoted2.right
+++ b/shell/hush_test/hush-parsing/starquoted2.right
@@ -1,4 +1,7 @@
 Should be printed
+Would not be printed by bash
+Would not be printed by bash
+Would not be printed by bash
 Should be printed
 Empty:
 Empty:
diff --git a/shell/hush_test/hush-parsing/starquoted2.tests b/shell/hush_test/hush-parsing/starquoted2.tests
index f305c4cd9..7c5ff45b8 100755
--- a/shell/hush_test/hush-parsing/starquoted2.tests
+++ b/shell/hush_test/hush-parsing/starquoted2.tests
@@ -8,9 +8,9 @@ for a in "$@"; do echo Should not be printed; done
 # Yes, believe it or not, bash is mesmerized by "$@" and stops
 # treating "" as "this word cannot be expanded to nothing,
 # but must be at least null string". Now it can be expanded to nothing.
-for a in "$@"""; do echo Should not be printed; done
-for a in """$@"; do echo Should not be printed; done
-for a in """$@"''"$@"''; do echo Should not be printed; done
+for a in "$@"""; do echo Would not be printed by bash; done
+for a in """$@"; do echo Would not be printed by bash; done
+for a in """$@"''"$@"''; do echo Would not be printed by bash; done
 for a in ""; do echo Should be printed; done
 
 # Bug 207: "$@" expands to nothing, and we erroneously glob "%s\n" twice: