deps: V8: cherry-pick 4f38995c8295

Original commit message:

    [explicit-resource-management] Turn flag on by default

    This feature has shipped since M134 on the blink side, and is highly
    unlikely to be unshipped now, so flip the flag on.

    Bug: 42203506
    Change-Id: I9554cea721983464b150c0de70b58a4b50fd477b
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6513391
    Reviewed-by: Rezvan Mahdavi Hezaveh <[email protected]>
    Commit-Queue: Shu-yu Guo <[email protected]>
    Cr-Commit-Position: refs/heads/main@{#100069}

Refs: v8/v8@4f38995
PR-URL: #58230
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Marco Ippolito <[email protected]>
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Chengzhong Wu <[email protected]>

Author: syg

common.gypi

@@ -38,7 +38,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.14',
+    'v8_embedder_string': '-node.15',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/src/flags/flag-definitions.h

@@ -295,7 +295,6 @@ DEFINE_BOOL(js_shipping, true, "enable all shipped JavaScript features")
 // Features that are complete (but still behind the --harmony flag).
 #define HARMONY_STAGED_BASE(V)
 #define JAVASCRIPT_STAGED_FEATURES_BASE(V)                           \
-  V(js_explicit_resource_management, "explicit resource management") \
   V(js_float16array,                                                 \
     "Float16Array, Math.f16round, DataView.getFloat16, DataView.setFloat16")
 
@@ -311,7 +310,7 @@ DEFINE_BOOL(js_shipping, true, "enable all shipped JavaScript features")
 #endif
 
 // Features that are shipping (turned on by default, but internal flag remains).
-#define HARMONY_SHIPPING_BASE(V)                             \
+#define HARMONY_SHIPPING_BASE(V) \
   V(harmony_import_attributes, "harmony import attributes")
 
 #define JAVASCRIPT_SHIPPING_FEATURES_BASE(V)                           \
@@ -320,7 +319,8 @@ DEFINE_BOOL(js_shipping, true, "enable all shipped JavaScript features")
   V(js_promise_try, "Promise.try")                                     \
   V(js_atomics_pause, "Atomics.pause")                                 \
   V(js_error_iserror, "Error.isError")                                 \
-  V(js_regexp_escape, "RegExp.escape")
+  V(js_regexp_escape, "RegExp.escape")                                 \
+  V(js_explicit_resource_management, "explicit resource management")
 
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_SHIPPING(V) HARMONY_SHIPPING_BASE(V)

deps/v8/test/mjsunit/es6/iterator-prototype.js

@@ -9,7 +9,7 @@ var iteratorPrototype = arrayIteratorPrototype.__proto__;
 assertSame(Object.prototype, Object.getPrototypeOf(iteratorPrototype));
 assertTrue(Object.isExtensible(iteratorPrototype));
 assertSame(12, Object.getOwnPropertyNames(iteratorPrototype).length);
-assertSame(2, Object.getOwnPropertySymbols(iteratorPrototype).length);
+assertSame(3, Object.getOwnPropertySymbols(iteratorPrototype).length);
 assertSame(Symbol.iterator,
              Object.getOwnPropertySymbols(iteratorPrototype)[0]);