Moved t/cmd/lexsub.t, t/cmd/while.t to t/op; split t/cmd/for.t to two pieces, one in t/op/for.t. Update and sort MANIFEST.

From work done at NY Perl Hackathon by Charlie Gonzalez and Taqqai Karim.

For: RT #116615

6 files changed, 572 insertions, 590 deletions

diff --git a/AUTHORS b/AUTHORS
index 9a33f7a1aa..851e4df3de 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -193,6 +193,7 @@ Charles F. Randall		<crandall@free.click-n-call.com>
 Charles Lane			<lane@DUPHY4.Physics.Drexel.Edu>
 Charles Randall			<cfriv@yahoo.com>
 Charles Wilson			<cwilson@ece.gatech.edu>
+Charlie Gonzalez			<itcharlie@gmail.com>
 Chas. Owens			<chas.owens@gmail.com>
 Chaskiel M Grundman
 Chia-liang Kao			<clkao@clkao.org>
@@ -808,6 +809,7 @@ Milosz Tanski			<mtanski@gridapp.com>
 Milton L. Hankins		<mlh@swl.msd.ray.com>
 Moritz Lenz			<moritz@casella.verplant.org>
 Moshe Kaminsky			<kaminsky@math.huji.ac.il>
+Mottaqui Karim			taqqui.karim@gmail.com
 Mr. Nobody			<mrnobo1024@yahoo.com>
 Murray Nesbitt			<murray@nesbitt.ca>
 Nathan Kurz			<nate@valleytel.net>
diff --git a/MANIFEST b/MANIFEST
index fe37f65a94..45fe093b07 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -5050,11 +5050,9 @@ t/bigmem/read.t			Check read() handles large offsets
 t/bigmem/vec.t			Check vec() handles large offsets
 t/cmd/elsif.t			See if else-if works
 t/cmd/for.t			See if for loops work
-t/cmd/lexsub.t			See if lexical subroutines work
 t/cmd/mod.t			See if statement modifiers work
 t/cmd/subval.t			See if subroutine values work
 t/cmd/switch.t			See if switch optimizations work
-t/cmd/while.t			See if while loops work
 t/comp/bproto.t			See if builtins conform to their prototypes
 t/comp/cmdopt.t			See if command optimization works
 t/comp/colon.t			See if colons are parsed correctly
@@ -5336,6 +5334,7 @@ t/op/filetest.t			See if file tests work
 t/op/filetest_t.t		See if -t file test works
 t/op/flip.t			See if range operator works
 t/op/fork.t			See if fork works
+t/op/for.t			See if for loops work
 t/op/fresh_perl_utf8.t		UTF8 tests for pads and gvs
 t/op/getpid.t			See if $$ and getppid work with threads
 t/op/getppid.t			See if getppid works
@@ -5365,6 +5364,7 @@ t/op/lc.t			See if lc, uc, lcfirst, ucfirst, quotemeta work
 t/op/leaky-magic.t		See whether vars' magic leaks into packages
 t/op/length.t			See if length works
 t/op/lex_assign.t		See if ops involving lexicals or pad temps work
+t/op/lexsub.t			See if lexical subroutines work
 t/op/lex.t			Tests too complex for t/base/lex.t
 t/op/lfs.t			See if large files work for perlio
 t/op/list.t			See if array lists work
@@ -5465,6 +5465,7 @@ t/op/vec.t			See if vectors work
 t/op/ver.t			See if v-strings and the %v format flag work
 t/op/wantarray.t		See if wantarray works
 t/op/warn.t			See if warn works
+t/op/while.t			See if while loops work
 t/op/write.t			See if write works (formats work)
 t/op/yadayada.t			See if ... works
 t/perl.supp			Perl valgrind suppressions
diff --git a/t/cmd/for.t b/t/cmd/for.t
index 184d024fbc..27fb5a2517 100644
--- a/t/cmd/for.t
+++ b/t/cmd/for.t
@@ -1,6 +1,6 @@
 #!./perl
 
-print "1..118\n";
+print "1..14\n";
 
 for ($i = 0; $i <= 10; $i++) {
     $x[$i] = $i;
@@ -95,576 +95,3 @@ print $@ =~ /Use of freed value in iteration/ ? "ok" : "not ok", " 13\n";
     print $x == 1 ? "ok" : "not ok", " 14 - double destroy, x=$x\n";
 }
 
-# A lot of tests to check that reversed for works.
-my $test = 14;
-sub is {
-    my ($got, $expected, $name) = @_;
-    ++$test;
-    if ($got eq $expected) {
-	print "ok $test # $name\n";
-	return 1;
-    }
-    print "not ok $test # $name\n";
-    print "# got '$got', expected '$expected'\n";
-    return 0;
-}
-
-@array = ('A', 'B', 'C');
-for (@array) {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for array');
-$r = '';
-for (1,2,3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list');
-$r = '';
-for (map {$_} @array) {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for array via map');
-$r = '';
-for (map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list via map');
-$r = '';
-for (1 .. 3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list via ..');
-$r = '';
-for ('A' .. 'C') {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for list via ..');
-
-$r = '';
-for (reverse @array) {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for array');
-$r = '';
-for (reverse 1,2,3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list');
-$r = '';
-for (reverse map {$_} @array) {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for array via map');
-$r = '';
-for (reverse map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list via map');
-$r = '';
-for (reverse 1 .. 3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list via ..');
-$r = '';
-for (reverse 'A' .. 'C') {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for list via ..');
-
-$r = '';
-for my $i (@array) {
-    $r .= $i;
-}
-is ($r, 'ABC', 'Forwards for array with var');
-$r = '';
-for my $i (1,2,3) {
-    $r .= $i;
-}
-is ($r, '123', 'Forwards for list with var');
-$r = '';
-for my $i (map {$_} @array) {
-    $r .= $i;
-}
-is ($r, 'ABC', 'Forwards for array via map with var');
-$r = '';
-for my $i (map {$_} 1,2,3) {
-    $r .= $i;
-}
-is ($r, '123', 'Forwards for list via map with var');
-$r = '';
-for my $i (1 .. 3) {
-    $r .= $i;
-}
-is ($r, '123', 'Forwards for list via .. with var');
-$r = '';
-for my $i ('A' .. 'C') {
-    $r .= $i;
-}
-is ($r, 'ABC', 'Forwards for list via .. with var');
-
-$r = '';
-for my $i (reverse @array) {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for array with var');
-$r = '';
-for my $i (reverse 1,2,3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list with var');
-$r = '';
-for my $i (reverse map {$_} @array) {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for array via map with var');
-$r = '';
-for my $i (reverse map {$_} 1,2,3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list via map with var');
-$r = '';
-for my $i (reverse 1 .. 3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list via .. with var');
-$r = '';
-for my $i (reverse 'A' .. 'C') {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for list via .. with var');
-
-# For some reason the generate optree is different when $_ is implicit.
-$r = '';
-for $_ (@array) {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for array with explicit $_');
-$r = '';
-for $_ (1,2,3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list with explicit $_');
-$r = '';
-for $_ (map {$_} @array) {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for array via map with explicit $_');
-$r = '';
-for $_ (map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list via map with explicit $_');
-$r = '';
-for $_ (1 .. 3) {
-    $r .= $_;
-}
-is ($r, '123', 'Forwards for list via .. with var with explicit $_');
-$r = '';
-for $_ ('A' .. 'C') {
-    $r .= $_;
-}
-is ($r, 'ABC', 'Forwards for list via .. with var with explicit $_');
-
-$r = '';
-for $_ (reverse @array) {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for array with explicit $_');
-$r = '';
-for $_ (reverse 1,2,3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list with explicit $_');
-$r = '';
-for $_ (reverse map {$_} @array) {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for array via map with explicit $_');
-$r = '';
-for $_ (reverse map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list via map with explicit $_');
-$r = '';
-for $_ (reverse 1 .. 3) {
-    $r .= $_;
-}
-is ($r, '321', 'Reverse for list via .. with var with explicit $_');
-$r = '';
-for $_ (reverse 'A' .. 'C') {
-    $r .= $_;
-}
-is ($r, 'CBA', 'Reverse for list via .. with var with explicit $_');
-
-# I don't think that my is that different from our in the optree. But test a
-# few:
-$r = '';
-for our $i (reverse @array) {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for array with our var');
-$r = '';
-for our $i (reverse 1,2,3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list with our var');
-$r = '';
-for our $i (reverse map {$_} @array) {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for array via map with our var');
-$r = '';
-for our $i (reverse map {$_} 1,2,3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list via map with our var');
-$r = '';
-for our $i (reverse 1 .. 3) {
-    $r .= $i;
-}
-is ($r, '321', 'Reverse for list via .. with our var');
-$r = '';
-for our $i (reverse 'A' .. 'C') {
-    $r .= $i;
-}
-is ($r, 'CBA', 'Reverse for list via .. with our var');
-
-
-$r = '';
-for (1, reverse @array) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array with leading value');
-$r = '';
-for ('A', reverse 1,2,3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list with leading value');
-$r = '';
-for (1, reverse map {$_} @array) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array via map with leading value');
-$r = '';
-for ('A', reverse map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list via map with leading value');
-$r = '';
-for ('A', reverse 1 .. 3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list via .. with leading value');
-$r = '';
-for (1, reverse 'A' .. 'C') {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for list via .. with leading value');
-
-$r = '';
-for (reverse (@array), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for array with trailing value');
-$r = '';
-for (reverse (1,2,3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A', 'Reverse for list with trailing value');
-$r = '';
-for (reverse (map {$_} @array), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for array via map with trailing value');
-$r = '';
-for (reverse (map {$_} 1,2,3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A', 'Reverse for list via map with trailing value');
-$r = '';
-for (reverse (1 .. 3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A', 'Reverse for list via .. with trailing value');
-$r = '';
-for (reverse ('A' .. 'C'), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for list via .. with trailing value');
-
-
-$r = '';
-for $_ (1, reverse @array) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array with leading value with explicit $_');
-$r = '';
-for $_ ('A', reverse 1,2,3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list with leading value with explicit $_');
-$r = '';
-for $_ (1, reverse map {$_} @array) {
-    $r .= $_;
-}
-is ($r, '1CBA',
-    'Reverse for array via map with leading value with explicit $_');
-$r = '';
-for $_ ('A', reverse map {$_} 1,2,3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list via map with leading value with explicit $_');
-$r = '';
-for $_ ('A', reverse 1 .. 3) {
-    $r .= $_;
-}
-is ($r, 'A321', 'Reverse for list via .. with leading value with explicit $_');
-$r = '';
-for $_ (1, reverse 'A' .. 'C') {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for list via .. with leading value with explicit $_');
-
-$r = '';
-for $_ (reverse (@array), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for array with trailing value with explicit $_');
-$r = '';
-for $_ (reverse (1,2,3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A', 'Reverse for list with trailing value with explicit $_');
-$r = '';
-for $_ (reverse (map {$_} @array), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1',
-    'Reverse for array via map with trailing value with explicit $_');
-$r = '';
-for $_ (reverse (map {$_} 1,2,3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A',
-    'Reverse for list via map with trailing value with explicit $_');
-$r = '';
-for $_ (reverse (1 .. 3), 'A') {
-    $r .= $_;
-}
-is ($r, '321A', 'Reverse for list via .. with trailing value with explicit $_');
-$r = '';
-for $_ (reverse ('A' .. 'C'), 1) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for list via .. with trailing value with explicit $_');
-
-$r = '';
-for my $i (1, reverse @array) {
-    $r .= $i;
-}
-is ($r, '1CBA', 'Reverse for array with leading value and var');
-$r = '';
-for my $i ('A', reverse 1,2,3) {
-    $r .= $i;
-}
-is ($r, 'A321', 'Reverse for list with leading value and var');
-$r = '';
-for my $i (1, reverse map {$_} @array) {
-    $r .= $i;
-}
-is ($r, '1CBA', 'Reverse for array via map with leading value and var');
-$r = '';
-for my $i ('A', reverse map {$_} 1,2,3) {
-    $r .= $i;
-}
-is ($r, 'A321', 'Reverse for list via map with leading value and var');
-$r = '';
-for my $i ('A', reverse 1 .. 3) {
-    $r .= $i;
-}
-is ($r, 'A321', 'Reverse for list via .. with leading value and var');
-$r = '';
-for my $i (1, reverse 'A' .. 'C') {
-    $r .= $i;
-}
-is ($r, '1CBA', 'Reverse for list via .. with leading value and var');
-
-$r = '';
-for my $i (reverse (@array), 1) {
-    $r .= $i;
-}
-is ($r, 'CBA1', 'Reverse for array with trailing value and var');
-$r = '';
-for my $i (reverse (1,2,3), 'A') {
-    $r .= $i;
-}
-is ($r, '321A', 'Reverse for list with trailing value and var');
-$r = '';
-for my $i (reverse (map {$_} @array), 1) {
-    $r .= $i;
-}
-is ($r, 'CBA1', 'Reverse for array via map with trailing value and var');
-$r = '';
-for my $i (reverse (map {$_} 1,2,3), 'A') {
-    $r .= $i;
-}
-is ($r, '321A', 'Reverse for list via map with trailing value and var');
-$r = '';
-for my $i (reverse (1 .. 3), 'A') {
-    $r .= $i;
-}
-is ($r, '321A', 'Reverse for list via .. with trailing value and var');
-$r = '';
-for my $i (reverse ('A' .. 'C'), 1) {
-    $r .= $i;
-}
-is ($r, 'CBA1', 'Reverse for list via .. with trailing value and var');
-
-
-$r = '';
-for (reverse 1, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for value and array');
-$r = '';
-for (reverse map {$_} 1, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for value and array via map');
-$r = '';
-for (reverse 1 .. 3, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA321', 'Reverse for .. and array');
-$r = '';
-for (reverse 'X' .. 'Z', @array) {
-    $r .= $_;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array');
-$r = '';
-for (reverse map {$_} 1 .. 3, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA321', 'Reverse for .. and array via map');
-$r = '';
-for (reverse map {$_} 'X' .. 'Z', @array) {
-    $r .= $_;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array via map');
-
-$r = '';
-for (reverse (@array, 1)) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array and value');
-$r = '';
-for (reverse (map {$_} @array, 1)) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array and value via map');
-
-$r = '';
-for $_ (reverse 1, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for value and array with explicit $_');
-$r = '';
-for $_ (reverse map {$_} 1, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA1', 'Reverse for value and array via map with explicit $_');
-$r = '';
-for $_ (reverse 1 .. 3, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA321', 'Reverse for .. and array with explicit $_');
-$r = '';
-for $_ (reverse 'X' .. 'Z', @array) {
-    $r .= $_;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array with explicit $_');
-$r = '';
-for $_ (reverse map {$_} 1 .. 3, @array) {
-    $r .= $_;
-}
-is ($r, 'CBA321', 'Reverse for .. and array via map with explicit $_');
-$r = '';
-for $_ (reverse map {$_} 'X' .. 'Z', @array) {
-    $r .= $_;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array via map with explicit $_');
-
-$r = '';
-for $_ (reverse (@array, 1)) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array and value with explicit $_');
-$r = '';
-for $_ (reverse (map {$_} @array, 1)) {
-    $r .= $_;
-}
-is ($r, '1CBA', 'Reverse for array and value via map with explicit $_');
-
-
-$r = '';
-for my $i (reverse 1, @array) {
-    $r .= $i;
-}
-is ($r, 'CBA1', 'Reverse for value and array with var');
-$r = '';
-for my $i (reverse map {$_} 1, @array) {
-    $r .= $i;
-}
-is ($r, 'CBA1', 'Reverse for value and array via map with var');
-$r = '';
-for my $i (reverse 1 .. 3, @array) {
-    $r .= $i;
-}
-is ($r, 'CBA321', 'Reverse for .. and array with var');
-$r = '';
-for my $i (reverse 'X' .. 'Z', @array) {
-    $r .= $i;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array with var');
-$r = '';
-for my $i (reverse map {$_} 1 .. 3, @array) {
-    $r .= $i;
-}
-is ($r, 'CBA321', 'Reverse for .. and array via map with var');
-$r = '';
-for my $i (reverse map {$_} 'X' .. 'Z', @array) {
-    $r .= $i;
-}
-is ($r, 'CBAZYX', 'Reverse for .. and array via map with var');
-
-$r = '';
-for my $i (reverse (@array, 1)) {
-    $r .= $i;
-}
-is ($r, '1CBA', 'Reverse for array and value with var');
-$r = '';
-for my $i (reverse (map {$_} @array, 1)) {
-    $r .= $i;
-}
-is ($r, '1CBA', 'Reverse for array and value via map with var');
-
-TODO: {
-    $test++;
-    local $TODO = "RT #1085: what should be output of perl -we 'print do { foreach (1, 2) { 1; } }'";
-    if (do {17; foreach (1, 2) { 1; } } != 17) {
-        print "not ";
-    }
-    print "ok $test # TODO $TODO\n";
-}
-
-TODO: {
-    $test++;
-    no warnings 'reserved';
-    local $TODO = "RT #2166: foreach spuriously autovivifies";
-    my %h;
-    foreach (@h{a, b}) {}
-    if(keys(%h)) {
-        print "not ";
-    }
-    print "ok $test # TODO $TODO\n";
-}
diff --git a/t/op/for.t b/t/op/for.t
new file mode 100644
index 0000000000..93fe05e396
--- /dev/null
+++ b/t/op/for.t
@@ -0,0 +1,565 @@
+#!./perl
+
+BEGIN {
+    require "test.pl";
+}
+
+plan(104);
+
+# A lot of tests to check that reversed for works.
+# my $test = 0;
+
+@array = ('A', 'B', 'C');
+for (@array) {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for array');
+$r = '';
+for (1,2,3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list');
+$r = '';
+for (map {$_} @array) {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for array via map');
+$r = '';
+for (map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list via map');
+$r = '';
+for (1 .. 3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list via ..');
+$r = '';
+for ('A' .. 'C') {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for list via ..');
+
+$r = '';
+for (reverse @array) {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for array');
+$r = '';
+for (reverse 1,2,3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list');
+$r = '';
+for (reverse map {$_} @array) {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for array via map');
+$r = '';
+for (reverse map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list via map');
+$r = '';
+for (reverse 1 .. 3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list via ..');
+$r = '';
+for (reverse 'A' .. 'C') {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for list via ..');
+
+$r = '';
+for my $i (@array) {
+    $r .= $i;
+}
+is ($r, 'ABC', 'Forwards for array with var');
+$r = '';
+for my $i (1,2,3) {
+    $r .= $i;
+}
+is ($r, '123', 'Forwards for list with var');
+$r = '';
+for my $i (map {$_} @array) {
+    $r .= $i;
+}
+is ($r, 'ABC', 'Forwards for array via map with var');
+$r = '';
+for my $i (map {$_} 1,2,3) {
+    $r .= $i;
+}
+is ($r, '123', 'Forwards for list via map with var');
+$r = '';
+for my $i (1 .. 3) {
+    $r .= $i;
+}
+is ($r, '123', 'Forwards for list via .. with var');
+$r = '';
+for my $i ('A' .. 'C') {
+    $r .= $i;
+}
+is ($r, 'ABC', 'Forwards for list via .. with var');
+
+$r = '';
+for my $i (reverse @array) {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for array with var');
+$r = '';
+for my $i (reverse 1,2,3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list with var');
+$r = '';
+for my $i (reverse map {$_} @array) {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for array via map with var');
+$r = '';
+for my $i (reverse map {$_} 1,2,3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list via map with var');
+$r = '';
+for my $i (reverse 1 .. 3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list via .. with var');
+$r = '';
+for my $i (reverse 'A' .. 'C') {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for list via .. with var');
+
+# For some reason the generate optree is different when $_ is implicit.
+$r = '';
+for $_ (@array) {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for array with explicit $_');
+$r = '';
+for $_ (1,2,3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list with explicit $_');
+$r = '';
+for $_ (map {$_} @array) {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for array via map with explicit $_');
+$r = '';
+for $_ (map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list via map with explicit $_');
+$r = '';
+for $_ (1 .. 3) {
+    $r .= $_;
+}
+is ($r, '123', 'Forwards for list via .. with var with explicit $_');
+$r = '';
+for $_ ('A' .. 'C') {
+    $r .= $_;
+}
+is ($r, 'ABC', 'Forwards for list via .. with var with explicit $_');
+
+$r = '';
+for $_ (reverse @array) {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for array with explicit $_');
+$r = '';
+for $_ (reverse 1,2,3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list with explicit $_');
+$r = '';
+for $_ (reverse map {$_} @array) {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for array via map with explicit $_');
+$r = '';
+for $_ (reverse map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list via map with explicit $_');
+$r = '';
+for $_ (reverse 1 .. 3) {
+    $r .= $_;
+}
+is ($r, '321', 'Reverse for list via .. with var with explicit $_');
+$r = '';
+for $_ (reverse 'A' .. 'C') {
+    $r .= $_;
+}
+is ($r, 'CBA', 'Reverse for list via .. with var with explicit $_');
+
+# I don't think that my is that different from our in the optree. But test a
+# few:
+$r = '';
+for our $i (reverse @array) {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for array with our var');
+$r = '';
+for our $i (reverse 1,2,3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list with our var');
+$r = '';
+for our $i (reverse map {$_} @array) {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for array via map with our var');
+$r = '';
+for our $i (reverse map {$_} 1,2,3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list via map with our var');
+$r = '';
+for our $i (reverse 1 .. 3) {
+    $r .= $i;
+}
+is ($r, '321', 'Reverse for list via .. with our var');
+$r = '';
+for our $i (reverse 'A' .. 'C') {
+    $r .= $i;
+}
+is ($r, 'CBA', 'Reverse for list via .. with our var');
+
+
+$r = '';
+for (1, reverse @array) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array with leading value');
+$r = '';
+for ('A', reverse 1,2,3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list with leading value');
+$r = '';
+for (1, reverse map {$_} @array) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array via map with leading value');
+$r = '';
+for ('A', reverse map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list via map with leading value');
+$r = '';
+for ('A', reverse 1 .. 3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list via .. with leading value');
+$r = '';
+for (1, reverse 'A' .. 'C') {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for list via .. with leading value');
+
+$r = '';
+for (reverse (@array), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for array with trailing value');
+$r = '';
+for (reverse (1,2,3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A', 'Reverse for list with trailing value');
+$r = '';
+for (reverse (map {$_} @array), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for array via map with trailing value');
+$r = '';
+for (reverse (map {$_} 1,2,3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A', 'Reverse for list via map with trailing value');
+$r = '';
+for (reverse (1 .. 3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A', 'Reverse for list via .. with trailing value');
+$r = '';
+for (reverse ('A' .. 'C'), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for list via .. with trailing value');
+
+
+$r = '';
+for $_ (1, reverse @array) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array with leading value with explicit $_');
+$r = '';
+for $_ ('A', reverse 1,2,3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list with leading value with explicit $_');
+$r = '';
+for $_ (1, reverse map {$_} @array) {
+    $r .= $_;
+}
+is ($r, '1CBA',
+    'Reverse for array via map with leading value with explicit $_');
+$r = '';
+for $_ ('A', reverse map {$_} 1,2,3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list via map with leading value with explicit $_');
+$r = '';
+for $_ ('A', reverse 1 .. 3) {
+    $r .= $_;
+}
+is ($r, 'A321', 'Reverse for list via .. with leading value with explicit $_');
+$r = '';
+for $_ (1, reverse 'A' .. 'C') {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for list via .. with leading value with explicit $_');
+
+$r = '';
+for $_ (reverse (@array), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for array with trailing value with explicit $_');
+$r = '';
+for $_ (reverse (1,2,3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A', 'Reverse for list with trailing value with explicit $_');
+$r = '';
+for $_ (reverse (map {$_} @array), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1',
+    'Reverse for array via map with trailing value with explicit $_');
+$r = '';
+for $_ (reverse (map {$_} 1,2,3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A',
+    'Reverse for list via map with trailing value with explicit $_');
+$r = '';
+for $_ (reverse (1 .. 3), 'A') {
+    $r .= $_;
+}
+is ($r, '321A', 'Reverse for list via .. with trailing value with explicit $_');
+$r = '';
+for $_ (reverse ('A' .. 'C'), 1) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for list via .. with trailing value with explicit $_');
+
+$r = '';
+for my $i (1, reverse @array) {
+    $r .= $i;
+}
+is ($r, '1CBA', 'Reverse for array with leading value and var');
+$r = '';
+for my $i ('A', reverse 1,2,3) {
+    $r .= $i;
+}
+is ($r, 'A321', 'Reverse for list with leading value and var');
+$r = '';
+for my $i (1, reverse map {$_} @array) {
+    $r .= $i;
+}
+is ($r, '1CBA', 'Reverse for array via map with leading value and var');
+$r = '';
+for my $i ('A', reverse map {$_} 1,2,3) {
+    $r .= $i;
+}
+is ($r, 'A321', 'Reverse for list via map with leading value and var');
+$r = '';
+for my $i ('A', reverse 1 .. 3) {
+    $r .= $i;
+}
+is ($r, 'A321', 'Reverse for list via .. with leading value and var');
+$r = '';
+for my $i (1, reverse 'A' .. 'C') {
+    $r .= $i;
+}
+is ($r, '1CBA', 'Reverse for list via .. with leading value and var');
+
+$r = '';
+for my $i (reverse (@array), 1) {
+    $r .= $i;
+}
+is ($r, 'CBA1', 'Reverse for array with trailing value and var');
+$r = '';
+for my $i (reverse (1,2,3), 'A') {
+    $r .= $i;
+}
+is ($r, '321A', 'Reverse for list with trailing value and var');
+$r = '';
+for my $i (reverse (map {$_} @array), 1) {
+    $r .= $i;
+}
+is ($r, 'CBA1', 'Reverse for array via map with trailing value and var');
+$r = '';
+for my $i (reverse (map {$_} 1,2,3), 'A') {
+    $r .= $i;
+}
+is ($r, '321A', 'Reverse for list via map with trailing value and var');
+$r = '';
+for my $i (reverse (1 .. 3), 'A') {
+    $r .= $i;
+}
+is ($r, '321A', 'Reverse for list via .. with trailing value and var');
+$r = '';
+for my $i (reverse ('A' .. 'C'), 1) {
+    $r .= $i;
+}
+is ($r, 'CBA1', 'Reverse for list via .. with trailing value and var');
+
+
+$r = '';
+for (reverse 1, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for value and array');
+$r = '';
+for (reverse map {$_} 1, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for value and array via map');
+$r = '';
+for (reverse 1 .. 3, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA321', 'Reverse for .. and array');
+$r = '';
+for (reverse 'X' .. 'Z', @array) {
+    $r .= $_;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array');
+$r = '';
+for (reverse map {$_} 1 .. 3, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA321', 'Reverse for .. and array via map');
+$r = '';
+for (reverse map {$_} 'X' .. 'Z', @array) {
+    $r .= $_;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array via map');
+
+$r = '';
+for (reverse (@array, 1)) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array and value');
+$r = '';
+for (reverse (map {$_} @array, 1)) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array and value via map');
+
+$r = '';
+for $_ (reverse 1, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for value and array with explicit $_');
+$r = '';
+for $_ (reverse map {$_} 1, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA1', 'Reverse for value and array via map with explicit $_');
+$r = '';
+for $_ (reverse 1 .. 3, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA321', 'Reverse for .. and array with explicit $_');
+$r = '';
+for $_ (reverse 'X' .. 'Z', @array) {
+    $r .= $_;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array with explicit $_');
+$r = '';
+for $_ (reverse map {$_} 1 .. 3, @array) {
+    $r .= $_;
+}
+is ($r, 'CBA321', 'Reverse for .. and array via map with explicit $_');
+$r = '';
+for $_ (reverse map {$_} 'X' .. 'Z', @array) {
+    $r .= $_;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array via map with explicit $_');
+
+$r = '';
+for $_ (reverse (@array, 1)) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array and value with explicit $_');
+$r = '';
+for $_ (reverse (map {$_} @array, 1)) {
+    $r .= $_;
+}
+is ($r, '1CBA', 'Reverse for array and value via map with explicit $_');
+
+
+$r = '';
+for my $i (reverse 1, @array) {
+    $r .= $i;
+}
+is ($r, 'CBA1', 'Reverse for value and array with var');
+$r = '';
+for my $i (reverse map {$_} 1, @array) {
+    $r .= $i;
+}
+is ($r, 'CBA1', 'Reverse for value and array via map with var');
+$r = '';
+for my $i (reverse 1 .. 3, @array) {
+    $r .= $i;
+}
+is ($r, 'CBA321', 'Reverse for .. and array with var');
+$r = '';
+for my $i (reverse 'X' .. 'Z', @array) {
+    $r .= $i;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array with var');
+$r = '';
+for my $i (reverse map {$_} 1 .. 3, @array) {
+    $r .= $i;
+}
+is ($r, 'CBA321', 'Reverse for .. and array via map with var');
+$r = '';
+for my $i (reverse map {$_} 'X' .. 'Z', @array) {
+    $r .= $i;
+}
+is ($r, 'CBAZYX', 'Reverse for .. and array via map with var');
+
+$r = '';
+for my $i (reverse (@array, 1)) {
+    $r .= $i;
+}
+is ($r, '1CBA', 'Reverse for array and value with var');
+$r = '';
+for my $i (reverse (map {$_} @array, 1)) {
+    $r .= $i;
+}
+is ($r, '1CBA', 'Reverse for array and value via map with var');
+
+TODO: {
+    if (do {17; foreach (1, 2) { 1; } } != 17) {
+        #print "not ";
+	todo_skip("RT #1085: what should be output of perl -we 'print do { foreach (1, 2) { 1; } }'");
+     }
+}
+
+TODO: {
+    local $TODO = "RT #2166: foreach spuriously autovivifies";
+    my %h;
+    foreach (@h{a, b}) {}
+    if(keys(%h)) {
+        todo_skip("RT #2166: foreach spuriously autovivifies");
+    }
+}
diff --git a/t/cmd/lexsub.t b/t/op/lexsub.t
index 46bab038fd..86c7e26a14 100644
--- a/t/cmd/lexsub.t
+++ b/t/op/lexsub.t
@@ -8,7 +8,7 @@ BEGIN {
     *bar::like = *like;
 }
 no warnings 'deprecated';
-BEGIN{plan 133;}
+plan 128;
 
 # -------------------- Errors with feature disabled -------------------- #
 
@@ -95,19 +95,6 @@ sub bar::c { 43 }
   my $y = if if if;
   is $y, 42, 'our subs from other packages override all keywords';
 }
-# Make sure errors don't pollute the stash (see RT 116981)
-{
-  eval "our sub ln99{!} ln99(1)";
-  eval "ln99(1)";
-  like $@, "Undefined subroutine &main::ln99 called", "Bad definitions do not pollute the stash";
-  isnt $::{ln99}, -1, "No placeholder was entered";
-  our sub ln103;
-  is $::{ln103}, -1, "Placeholder was entered";
-  eval "our sub ln103{!} ln103(1)";
-  eval "ln103(1)";
-  like $@, "Undefined subroutine &main::ln103 called", "Bad definitions do not pollute the stash";
-  isnt $::{ln103}, -1, "Placeholder was removed";
-}
 
 # -------------------- state -------------------- #
 
diff --git a/t/cmd/while.t b/t/op/while.t
index 5d2af711a5..5d2af711a5 100644
--- a/t/cmd/while.t
+++ b/t/op/while.t