Bug 1570011 - Part 1: Update test262 features list. r=khyperia

Differential Revision: https://phabricator.services.mozilla.com/D39891

--HG--
extra : moz-landing-system : lando

js/src/tests/test262-host.js

@@ -20,6 +20,7 @@
     var getSharedArrayBuffer = global.getSharedArrayBuffer;
     var evalInWorker = global.evalInWorker;
     var monotonicNow = global.monotonicNow;
+    var gc = global.gc;
 
     var hasCreateIsHTMLDDA = "createIsHTMLDDA" in global;
     var hasThreads = ("helperThreadCount" in global ? global.helperThreadCount() > 0 : true);
@@ -51,6 +52,9 @@
         evalScript: global.evaluateScript || global.evaluate,
         global,
         IsHTMLDDA,
+        gc() {
+            gc();
+        },
         agent: (function () {
 
             // SpiderMonkey complication: With run-time argument --no-threads

js/src/tests/test262-update.py

@@ -30,7 +30,6 @@ UNSUPPORTED_FEATURES = set([
     "regexp-lookbehind",
     "regexp-named-groups",
     "regexp-unicode-property-escapes",
-    "global",
     "export-star-as-namespace-from-module",
     "Intl.DateTimeFormat-quarter",
     "Intl.DateTimeFormat-datetimestyle",
@@ -38,20 +37,18 @@ UNSUPPORTED_FEATURES = set([
     "Intl.DateTimeFormat-formatRange",
     "Intl.ListFormat",
     "Intl.Segmenter",
-    "Promise.allSettled",
+    "WeakRef",
+    "FinalizationGroup",
 ])
 FEATURE_CHECK_NEEDED = {
     "Atomics": "!this.hasOwnProperty('Atomics')",
-    "BigInt": "!this.hasOwnProperty('BigInt')",
     "SharedArrayBuffer": "!this.hasOwnProperty('SharedArrayBuffer')",
-    # Syntax is a bit weird, because this string cannot have spaces in it
-    "class-fields-public":
-        "(function(){try{eval('c=class{x;}');return(false);}catch{return(true);}})()",
     "dynamic-import": "!xulRuntime.shell",
 }
 RELEASE_OR_BETA = set([
     "Intl.NumberFormat-unified",
     "Intl.DateTimeFormat-fractionalSecondDigits",
+    "Promise.allSettled",
 ])
 
 

js/src/tests/test262/shell.js

@@ -384,6 +384,7 @@ function $DONOTEVALUATE() {
     var getSharedArrayBuffer = global.getSharedArrayBuffer;
     var evalInWorker = global.evalInWorker;
     var monotonicNow = global.monotonicNow;
+    var gc = global.gc;
 
     var hasCreateIsHTMLDDA = "createIsHTMLDDA" in global;
     var hasThreads = ("helperThreadCount" in global ? global.helperThreadCount() > 0 : true);
@@ -415,6 +416,9 @@ function $DONOTEVALUATE() {
         evalScript: global.evaluateScript || global.evaluate,
         global,
         IsHTMLDDA,
+        gc() {
+            gc();
+        },
         agent: (function () {
 
             // SpiderMonkey complication: With run-time argument --no-threads