mark some testcases as 'known bugs' as they won't be fixed in the near future

ecmascript-testcases/test-builtin-json-enc-proplist-dups.js

@@ -1,3 +1,9 @@
+/*---
+{
+    "knownbug": true
+}
+---*/
+
 /*===
 {"bar":2,"foo":1,"baz":4,"quux":3}
 {"bar":2,"1":5,"foo":1}

ecmascript-testcases/test-dev-bug-invalid-oct-as-dec.js

@@ -1,3 +1,9 @@
+/*---
+{
+    "knownbug": true
+}
+---*/
+
 /*===
 63
 78

ecmascript-testcases/test-regexp-empty-quantified.js

@@ -16,6 +16,12 @@
  *
  */
 
+/*---
+{
+    "knownbug": true
+}
+---*/
+
 var t;
 
 /*===

ecmascript-testcases/test-regexp-invalid-charclass.js

@@ -2,14 +2,20 @@
  *  Some invalid character class cases.
  */
 
+/*---
+{
+    "knownbug": true
+}
+---*/
+
 /*===
 SyntaxError
 ===*/
 
-/* should cause a SyntaxError, see E5 Section 15.10.2.15 ??? */
+/* Should cause a SyntaxError, see E5 Section 15.10.2.15. */
 try {
     /* '\d' contains [0-9], while 'z' is a single character.
-     *.CharacterRange() (E5 Section 15.10.2.15) should reject
+     * CharacterRange() (E5 Section 15.10.2.15) should reject
      * this with SyntaxError because both endpoints must be
      * single characters.
      */
@@ -28,11 +34,10 @@ try {
 SyntaxError
 ===*/
 
-/* should cause a SyntaxError, see E5 Section 15.10.2.15 */
+/* Should cause a SyntaxError, see E5 Section 15.10.2.15. */
 try {
     eval('t = /[z-x]/;');
 } catch(e) {
     print(e.name);
 }
 
-

ecmascript-testcases/test-regexp-nonstandard-patternchar.js

@@ -5,6 +5,12 @@
  *  PatternCharacters.
  */
 
+/*---
+{
+    "knownbug": true
+}
+---*/
+
 /* FIXME: this now tests V8/Rhino behavior, is this desired? */
 
 /*===