[javascriptcore-test262-automation] Changes from...

[javascriptcore-test262-automation] Changes from https://github.com/webkit/webkit.git at sha ce279990f8 on Wed Sep 05 2018 18:18:55 GMT+0000 (Coordinated Universal Time)

implementation-contributed/javascriptcore/stress/regress-189185.js

 //@ runDefault
+//@ skip if $architecture == "x86"
 // This passes if it does not crash.
 new WebAssembly.CompileError({
     valueOf() {

implementation-contributed/javascriptcore/stress/regress-189292.js

+//@ runDefault
+
+function assert(a, b) {
+    if (a != b)
+        throw "FAIL";
+}
+
+function test(script) {
+    try {
+        eval(script);
+    } catch (e) {
+        return e;
+    }
+}
+
+assert(test("class C1 { async constructor() { } }"), "SyntaxError: Cannot declare an async method named 'constructor'.");
+assert(test("class C1 { *constructor() { } }"), "SyntaxError: Cannot declare a generator function named 'constructor'.");
+assert(test("class C1 { async *constructor() { } }"), "SyntaxError: Cannot declare an async generator method named 'constructor'.");