Integrate with Sarathy; manual resolve on regcomp.c conflicts

(Ilya's changes won).

p4raw-id: //depot/cfgperl@4468

5 files changed, 40 insertions, 13 deletions

diff --git a/t/io/fs.t b/t/io/fs.t
index 087021bb73..31929708a4 100755
--- a/t/io/fs.t
+++ b/t/io/fs.t
@@ -147,12 +147,18 @@ else {
     print FH "helloworld\n";
     truncate FH, 5;
   }
-  if ($^O eq 'dos') {
+  if ($^O eq 'dos'
+	# Not needed on HPFS, but needed on HPFS386 ?!
+      or $^O eq 'os2')
+  {
       close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
   }
   if (-s "Iofs.tmp" == 5) {print "ok 25\n"} else {print "not ok 25\n"}
   truncate FH, 0;
-  if ($^O eq 'dos') {
+  if ($^O eq 'dos'
+	# Not needed on HPFS, but needed on HPFS386 ?!
+      or $^O eq 'os2')
+  {
       close (FH); open (FH, ">>Iofs.tmp") or die "Can't reopen Iofs.tmp";
   }
   if (-z "Iofs.tmp") {print "ok 26\n"} else {print "not ok 26\n"}
diff --git a/t/op/int.t b/t/op/int.t
index eb060acd72..6ac0866a2b 100755
--- a/t/op/int.t
+++ b/t/op/int.t
@@ -1,8 +1,11 @@
 #!./perl
 
-# $RCSfile: int.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:00 $
+BEGIN {
+    chdir 't' if -d 't';
+    unshift @INC, '../lib';
+}
 
-print "1..4\n";
+print "1..6\n";
 
 # compile time evaluation
 
@@ -15,3 +18,13 @@ if (int(-1.234) == -1) {print "ok 2\n";} else {print "not ok 2\n";}
 $x = 1.234;
 if (int($x) == 1) {print "ok 3\n";} else {print "not ok 3\n";}
 if (int(-$x) == -1) {print "ok 4\n";} else {print "not ok 4\n";}
+
+$x = length("abc") % -10;
+print $x == -7 ? "ok 5\n" : "# expected -7, got $x\nnot ok 5\n";
+
+{
+    use integer;
+    $x = length("abc") % -10;
+    $y = (3/-10)*-10;
+    print $x+$y == 3 && abs($x) < 10 ? "ok 6\n" : "not ok 6\n";
+}
diff --git a/t/op/lex_assign.t b/t/op/lex_assign.t
index b5c471a5a0..0f658694dd 100755
--- a/t/op/lex_assign.t
+++ b/t/op/lex_assign.t
@@ -4,6 +4,7 @@ BEGIN {
     chdir 't' if -d 't';
     unshift @INC, '../lib';
 }
+$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; 
 
 umask 0;
 $xref = \ "";
diff --git a/t/op/magic.t b/t/op/magic.t
index 31765e2c50..fe55521814 100755
--- a/t/op/magic.t
+++ b/t/op/magic.t
@@ -22,6 +22,7 @@ sub ok {
 $Is_MSWin32 = $^O eq 'MSWin32';
 $Is_VMS     = $^O eq 'VMS';
 $Is_Dos   = $^O eq 'dos';
+$Is_os2   = $^O eq 'os2';
 $Is_Cygwin   = $^O =~ /cygwin/;
 $PERL = ($Is_MSWin32 ? '.\perl' : './perl');
 
@@ -117,6 +118,9 @@ ok 18, $$ > 0, $$;
        chomp($wd = `pwd`);
        $wd =~ s#/t$##;
     }
+    elsif($Is_os2) {
+       $wd = Cwd::sys_cwd();
+    }
     else {
 	$wd = '.';
     }
@@ -142,6 +146,9 @@ __END__
 :endofperl
 EOT
     }
+    elsif ($Is_os2) {
+      $script = "./show-shebang";
+    }
     if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') {  # no shebang
 	$headmaybe = <<EOH ;
     eval 'exec ./perl -S \$0 \${1+"\$\@"}'
@@ -158,15 +165,15 @@ EOF
     ok 21, close(SCRIPT), $!;
     ok 22, chmod(0755, $script), $!;
     $_ = `$script`;
-    s/\.exe//i if $Is_Dos or $Is_Cygwin;
+    s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
     s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
     s{is perl}{is $perl}; # for systems where $^X is only a basename
     s{\\}{/}g;
-    ok 23, ($Is_MSWin32 ? uc($_) eq uc($s1) : $_ eq $s1), ":$_:!=:$s1:";
+    ok 23, (($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:";
     $_ = `$perl $script`;
-    s/\.exe//i if $Is_Dos;
+    s/\.exe//i if $Is_Dos or $Is_os2;
     s{\\}{/}g;
-    ok 24, ($Is_MSWin32 ? uc($_) eq uc($s1) : $_ eq $s1), ":$_:!=:$s1: after `$perl $script`";
+    ok 24, (($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`";
     ok 25, unlink($script), $!;
 }
 
@@ -211,8 +218,8 @@ if ($Is_MSWin32) {
     ok 35, (scalar(keys(%ENV)) == 0);
 }
 else {
-    ok "32 # skipped",1;
-    ok "33 # skipped",1;
-    ok "34 # skipped",1;
-    ok "35 # skipped",1;
+    ok "32 # skipped: no caseless %ENV support",1;
+    ok "33 # skipped: no caseless %ENV support",1;
+    ok "34 # skipped: no caseless %ENV support",1;
+    ok "35 # skipped: no caseless %ENV support",1;
 }
diff --git a/t/pragma/warn/op b/t/pragma/warn/op
index 950c0c8ffd..9a278effe9 100644
--- a/t/pragma/warn/op
+++ b/t/pragma/warn/op
@@ -558,7 +558,7 @@ Useless use of a constant in void context at - line 3.
 Useless use of a constant in void context at - line 4.
 ########
 # op.c
-$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; # known scalar leak
+BEGIN{ $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3; } # known scalar leak
 use warnings 'unsafe' ;
 my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ;
 @a =~ /abc/ ;