When following an accessor transition for an already existing accessor, don't load the last added d…

test/mjsunit/regress/regress-crbug-137689.js

Index: test/mjsunit/regress/regress-crbug-137689.js
diff --git a/test/mjsunit/compiler/optimized-closures.js b/test/mjsunit/regress/regress-crbug-137689.js
similarity index 73%
copy from test/mjsunit/compiler/optimized-closures.js
copy to test/mjsunit/regress/regress-crbug-137689.js
index eaf75f8d00ccd9123ed0f5232a91137845fc3973..ef79d240f8926a39c3fffe31c5f9b7de3a521a48 100644
--- a/test/mjsunit/compiler/optimized-closures.js
+++ b/test/mjsunit/regress/regress-crbug-137689.js
@@ -27,31 +27,21 @@
 
 // Flags: --allow-natives-syntax
 
-// Test optimized closures.
-
-var a = new Array(100);
-
-function f() {
-  var x=0;
-  for (var i=0; i<100; i++) {
-    var g = function goo(y) {
-      function h() {
-        if (goo.arguments[0] == 23) return -42;
-        return 42;
-      }
-      return x + y + h(y);
-    }
-    g(0);
-    %OptimizeFunctionOnNextCall(g);
-    a[i] = g(i);
-  }
-}
-
-f();
-assertEquals(42, a[0]);
-assertEquals(49, a[7]);
-assertEquals(-19, a[23]);
+function getter() { return 10; }
+function setter(v) { }
+function getter2() { return 20; }
 
+var o = {};
+var o2 = {};
 
+Object.defineProperty(o, "foo", { get: getter, configurable: true });
+Object.defineProperty(o2, "foo", { get: getter, configurable: true });
+assertTrue(%HaveSameMap(o, o2));
 
+Object.defineProperty(o, "bar", { get: getter2 });
+Object.defineProperty(o2, "bar", { get: getter2 });
+assertTrue(%HaveSameMap(o, o2));
 
+Object.defineProperty(o, "foo", { set: setter, configurable: true });
+Object.defineProperty(o2, "foo", { set: setter, configurable: true });
+assertTrue(%HaveSameMap(o, o2));