[strong] Implement revised strong class semantics

test/mjsunit/strong/literals.js

Index: test/mjsunit/strong/literals.js
diff --git a/test/mjsunit/strong/literals.js b/test/mjsunit/strong/literals.js
index 347ea1ccacbd567296ab0952f110826df03032e1..a78f793a020439384a6d528f3329426c17698766 100644
--- a/test/mjsunit/strong/literals.js
+++ b/test/mjsunit/strong/literals.js
@@ -275,61 +275,6 @@ let GeneratorPrototype = (function*(){}).__proto__;
   assertStrongGenerator((new class {*m(){'use strong'}}).m);
 })();
 
-(function WeakClassLiterals() {
-  function assertWeakClass(x) {
-    assertFalse(%IsStrong(x));
-    assertFalse(%IsStrong(x.prototype));
-    assertFalse(%IsStrong(new x));
-  }
-  class C {};
-  class D extends C {};
-  class E extends Object {};
-  // class F extends null {};
-  assertWeakClass(C);
-  assertWeakClass(D);
-  assertWeakClass(E);
-  // assertWeakClass(F);
-  assertWeakClass(class {});
-  assertWeakClass(class extends Object {});
-  // assertWeakClass(class extends null {});
-  assertWeakClass(class extends C {});
-  assertWeakClass(class extends class {} {});
-  assertWeakClass(class C {});
-  assertWeakClass(class D extends Object {});
-  // assertWeakClass(class D extends null {});
-  assertWeakClass(class D extends C {});
-  assertWeakClass(class D extends class {} {});
-})();
-
-(function StrongClassLiterals() {
-  'use strong';
-  function assertStrongClass(x) {
-    assertTrue(%IsStrong(x));
-    assertTrue(%IsStrong(x.prototype));
-    // TODO(rossberg): strongify class instance
-    // assertTrue(%IsStrong(new x));
-  }
-  class C {};
-  class D extends C {};
-  class E extends Object {};
-  const W = (1, eval)(() => {'use strict'; return class {}})();
-  class G extends W {};
-  assertStrongClass(C);
-  assertStrongClass(D);
-  assertStrongClass(E);
-  assertStrongClass(G);
-  assertStrongClass(class {});
-  assertStrongClass(class extends Object {});
-  assertStrongClass(class extends C {});
-  assertStrongClass(class extends W {});
-  assertStrongClass(class extends class {} {});
-  assertStrongClass(class C {});
-  assertStrongClass(class D extends Object {});
-  assertStrongClass(class D extends C {});
-  assertStrongClass(class D extends W {});
-  assertStrongClass(class D extends class {} {});
-})();
-
 (function WeakRegExpLiterals() {
   function assertWeakRegExp(x) {
     assertFalse(%IsStrong(x));