diff options
Diffstat (limited to 'deps/v8/src/execution/protectors.h')
| -rw-r--r-- | deps/v8/src/execution/protectors.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/deps/v8/src/execution/protectors.h b/deps/v8/src/execution/protectors.h index aa89275c11..271661dddf 100644 --- a/deps/v8/src/execution/protectors.h +++ b/deps/v8/src/execution/protectors.h @@ -40,6 +40,15 @@ class Protectors : public AllStatic { /* property holder is the %IteratorPrototype%. Note that this also */ \ /* invalidates the SetIterator protector (see below). */ \ V(MapIteratorLookupChain, MapIteratorProtector, map_iterator_protector) \ + /* String.prototype.replace looks up Symbol.replace (aka @@replace) on */ \ + /* the search term to check if it is regexp-like. */ \ + /* This protector ensures the prototype chain of String.prototype and */ \ + /* Number.prototype does not contain Symbol.replace. */ \ + /* It enables a fast-path for String.prototype.replace by ensuring that */ \ + /* the implicit wrapper object for strings and numbers do not contain */ \ + /* the property Symbol.replace. */ \ + V(NumberStringPrototypeNoReplace, NumberStringPrototypeNoReplaceProtector, \ + number_string_prototype_no_replace_protector) \ V(RegExpSpeciesLookupChain, RegExpSpeciesProtector, \ regexp_species_protector) \ V(PromiseHook, PromiseHookProtector, promise_hook_protector) \ |