Bug 1670062: Support "collation" option in Intl.Collator constructor.…

… r=yulia

Implements the changes from the "has consensus" PR <tc39/ecma402#459>.

Drive-by change:
- Enable a named groups RegExp test which wasn't enabled when bug 1362154 was implemented.

Differential Revision: https://phabricator.services.mozilla.com/D95734

js/src/builtin/intl/Collator.js

@@ -119,6 +119,7 @@ function InitializeCollator(collator, locales, options) {
     //     opt: // opt object computed in InitializeCollator
     //       {
     //         localeMatcher: "lookup" / "best fit",
+    //         co: string matching a Unicode extension type / undefined
     //         kn: true / false / undefined,
     //         kf: "upper" / "lower" / "false" / undefined
     //       }
@@ -158,6 +159,12 @@ function InitializeCollator(collator, locales, options) {
     var matcher = GetOption(options, "localeMatcher", "string", ["lookup", "best fit"], "best fit");
     opt.localeMatcher = matcher;
 
+    // https://github.com/tc39/ecma402/pull/459
+    var collation = GetOption(options, "collation", "string", undefined, undefined);
+    if (collation !== undefined)
+        collation = intl_ValidateAndCanonicalizeUnicodeExtensionType(collation, "collation", "co");
+    opt.co = collation;
+
     // Steps 11-13.
     var numericValue = GetOption(options, "numeric", "boolean", undefined, undefined);
     if (numericValue !== undefined)

js/src/tests/jstests.list

@@ -291,9 +291,6 @@ skip script test262/built-ins/Function/prototype/toString/built-in-function-obje
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1225839
 ignore-flag(--more-compartments) script test262/built-ins/Function/internals/Call/class-ctor-realm.js
 
-# https://bugzilla.mozilla.org/show_bug.cgi?id=1670062
-skip script test262/intl402/Collator/constructor-options-throwing-getters.js
-
 # These two tests assume that assignment to function calls is a SyntaxError.  We
 # historically implemented otherwise, as web reality.  Perhaps that can be
 # reevaluated at some point.
@@ -440,9 +437,6 @@ ignore-flag(--more-compartments) script test262/built-ins/Proxy/construct/return
 ignore-flag(--more-compartments) script test262/built-ins/Proxy/construct/return-not-object-throws-boolean-realm.js
 ignore-flag(--more-compartments) script test262/built-ins/Proxy/construct/return-not-object-throws-boolean-realm.js
 
-# https://bugzilla.mozilla.org/show_bug.cgi?id=1362154
-skip script test262/built-ins/String/prototype/replaceAll/searchValue-replacer-RegExp-call.js
-
 # Depends upon the SharedArrayBuffer constructor being defined as a global
 # property -- and right now, it's only defined for cross-site-isolated pages
 # that request it using COOP/COEP.