[perl #24940] "sub foo :unique" segfaults

Turn these two into compile-time errors until such time as
someone thinks of a useful meaning for them:
    my $x : unique
    sub foo : unique

p4raw-id: //depot/perl@22187

1 files changed, 2 insertions, 10 deletions

diff --git a/xsutils.c b/xsutils.c
index 622a49be30..9844b0e398 100644
--- a/xsutils.c
+++ b/xsutils.c
@@ -1,6 +1,7 @@
 /*    xsutils.c
  *
- *    Copyright (C) 1999, 2000, 2001, 2002, 2003, by Larry Wall and others
+ *    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004,
+ *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -108,15 +109,6 @@ modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
 			continue;
 		    }
 		    break;
-		case 'u':
-		    if (strEQ(name, "unique")) {
-			if (negated)
-			    GvUNIQUE_off(CvGV((CV*)sv));
-			else
-			    GvUNIQUE_on(CvGV((CV*)sv));
-			continue;
-		    }
-		    break;
 		}
 		break;
 	    }