Import JSC class tests

test/webkit/class-syntax-call-expected.txt

Index: test/webkit/class-syntax-call-expected.txt
diff --git a/test/webkit/class-syntax-call-expected.txt b/test/webkit/class-syntax-call-expected.txt
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+Tests for calling the constructors of ES6 classes
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS new A did not throw exception.
+PASS A() threw exception TypeError: Class constructors cannot be invoked without 'new'.
+PASS new B did not throw exception.
+PASS B() threw exception TypeError: Class constructors cannot be invoked without 'new'.
+PASS new (class { constructor() {} })() did not throw exception.
+PASS (class { constructor() {} })() threw exception TypeError: Class constructors cannot be invoked without 'new'.
+PASS new (class extends null { constructor() { super() } })() threw exception TypeError: function () {} is not a constructor.
+PASS (class extends null { constructor() { super() } })() threw exception TypeError: Class constructors cannot be invoked without 'new'.
+PASS successfullyParsed is true
+
+TEST COMPLETE