Refactor class declaration logic to the parser and runtime

test/mjsunit/es6/classes.js

Index: test/mjsunit/es6/classes.js
diff --git a/test/mjsunit/es6/classes.js b/test/mjsunit/es6/classes.js
index fb77dbb8e4b01bb273512b215763dadbb1077661..6cdbe75a89c5cab629c854c985c350c41453a79d 100644
--- a/test/mjsunit/es6/classes.js
+++ b/test/mjsunit/es6/classes.js
@@ -1046,3 +1046,40 @@ function testClassRestrictedProperties(C) {
   assertEquals(42, usingYieldInExtends());
 
 })();
+
+(function TestEvaluationOrder() {
+  var effects = [];
+
+  (class extends (effects.push(0), function(){ assertUnreachable(); }) {
+    [(effects.push(1), { toString(){ effects.push(2); } })](){}
+    static [(effects.push(3), { toString(){ effects.push(4); } })](){}
+    [(effects.push(5), { toString(){ effects.push(6); } })](){}
+    static [(effects.push(7), { toString(){ effects.push(8); } })](){}
+  });
+  assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8], effects);
+})();
+
+(function TestComputedPropertyNamedConstructor() {
+  const constructor_sigil = {};
+  const nonconstructor_sigil = {};
+
+  class DefaultConstructor {
+    ["constructor"](){ return nonconstructor_sigil; }
+  }
+  assertInstanceof(new DefaultConstructor, DefaultConstructor);
+  assertEquals((new DefaultConstructor).constructor(), nonconstructor_sigil);
+
+  class PreceedingConstructor {
+    constructor(){ return constructor_sigil; }
+    ["constructor"](){ return nonconstructor_sigil; }
+  }
+  assertEquals(new PreceedingConstructor, constructor_sigil);
+  assertEquals((new PreceedingConstructor).constructor(), nonconstructor_sigil);
+
+  class FollowingConstructor {
+    ["constructor"](){ return nonconstructor_sigil; }
+    constructor(){ return constructor_sigil; }
+  }
+  assertEquals(new FollowingConstructor, constructor_sigil);
+  assertEquals((new FollowingConstructor).constructor(), nonconstructor_sigil);
+})();