Clean up RegExp comments and test262 status

test/test262/test262.status

Index: test/test262/test262.status
diff --git a/test/test262/test262.status b/test/test262/test262.status
index 2320b537cb3ac49e49eabae82f4a0e8d40f9c18c..7c2d5fb8a511b75d9dec843cbe2f25677e7efd6b 100644
--- a/test/test262/test262.status
+++ b/test/test262/test262.status
@@ -100,15 +100,11 @@
   'language/asi/S7.9_A5.7_T1': [PASS, FAIL_OK],
 
   ###### BEGIN REGEXP SUBCLASSING SECTION ######
-  # Times out
-  'built-ins/RegExp/prototype/Symbol.match/coerce-global': [SKIP],
-
-  # Sticky support busted
+  # https://bugs.chromium.org/p/v8/issues/detail?id=5361
   'built-ins/RegExp/prototype/Symbol.replace/y-init-lastindex': [FAIL],
   'built-ins/RegExp/prototype/Symbol.replace/y-set-lastindex': [FAIL],
 
-  # https://code.google.com/p/v8/issues/detail?id=4504
-  # https://bugs.chromium.org/p/chromium/issues/detail?id=624318
+  # https://bugs.chromium.org/p/v8/issues/detail?id=5360
   'built-ins/RegExp/prototype/Symbol.match/builtin-failure-set-lastindex-err': [PASS, FAIL],
   'built-ins/RegExp/prototype/Symbol.match/builtin-failure-y-set-lastindex-err': [PASS, FAIL],
   'built-ins/RegExp/prototype/Symbol.match/builtin-success-g-set-lastindex-err': [SKIP],
@@ -123,10 +119,6 @@
   'built-ins/RegExp/prototype/exec/y-fail-lastindex-no-write': [PASS, FAIL],
   'built-ins/RegExp/prototype/test/y-fail-lastindex-no-write': [PASS, FAIL],
 
-  # SKIP rather than FAIL, as the test checks for an exception which
-  # happens to be thrown for some other reason.
-  'built-ins/RegExp/prototype/Symbol.split/str-result-get-length-err': [SKIP],
-
   # https://bugs.chromium.org/p/v8/issues/detail?id=5123
   'built-ins/RegExp/prototype/Symbol.replace/coerce-global': [FAIL],
   'built-ins/RegExp/prototype/Symbol.replace/coerce-unicode': [FAIL],