[elements] Handlify SloppyArguments IndexOfValueImpl

test/mjsunit/array-indexing-receiver.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax
+// Flags: --allow-natives-syntax --expose-gc
 
 // Ensure `Array.prototype.indexOf` functions correctly for numerous elements
 // kinds, and various exotic receiver types,
 
 var kIterCount = 1;
 var kTests = {
   Array: {
     FAST_ELEMENTS() {
       var r = /foo/;
       var s = new String("bar");
@@ skipping 84 matching lines @@
         assertEquals(array.indexOf(NaN, -2), -1);
         assertEquals(array.indexOf(-13000.89412), 1);
         assertEquals(array.indexOf(-13000.89412, -2), -1);
         assertEquals(array.indexOf(undefined, -2), -1);
         assertEquals(array.indexOf(undefined, -1), -1);
       }
     },
 
     DICTIONARY_ELEMENTS() {
       var array = [];
-      Object.defineProperty(array, 4, { get() { return NaN; } });
+      Object.defineProperty(array, 4, { get() { gc(); return NaN; } });
       Object.defineProperty(array, 7, { value: Function });
 
       assertTrue(%HasDictionaryElements(array));
 
       for (var i = 0; i < kIterCount; ++i) {
         assertEquals(array.indexOf(NaN), -1);
         assertEquals(array.indexOf(NaN, -3), -1);
         assertEquals(array.indexOf(Function), 7);
         assertEquals(array.indexOf(undefined), -1);
         assertEquals(array.indexOf(undefined, 7), -1);
@@ skipping 98 matching lines @@
         assertEquals(Array.prototype.indexOf.call(object, NaN, -2), -1);
         assertEquals(Array.prototype.indexOf.call(object, -13000.89412), 1);
         assertEquals(Array.prototype.indexOf.call(object, -13000.89412, -2), -1);
         assertEquals(Array.prototype.indexOf.call(object, undefined, -2), -1);
         assertEquals(Array.prototype.indexOf.call(object, undefined, -1), -1);
       }
     },
 
     DICTIONARY_ELEMENTS() {
       var object = { length: 8 };
-      Object.defineProperty(object, 4, { get() { return NaN; } });
+      Object.defineProperty(object, 4, { get() { gc(); return NaN; } });
       Object.defineProperty(object, 7, { value: Function });
 
       assertTrue(%HasDictionaryElements(object));
 
       for (var i = 0; i < kIterCount; ++i) {
         assertEquals(Array.prototype.indexOf.call(object, NaN), -1);
         assertEquals(Array.prototype.indexOf.call(object, NaN, -3), -1);
         assertEquals(Array.prototype.indexOf.call(object, Function), 7);
         assertEquals(Array.prototype.indexOf.call(object, undefined), -1);
         assertEquals(Array.prototype.indexOf.call(object, undefined, 7), -1);
       }
 
       (function prototypeModifiedDuringAccessor() {
         function O() {
           return {
             __proto__: {},
             get 0() {
+              gc();
               this.__proto__.__proto__ = {
                 get 1() {
+                  gc();
                   this[2] = "c";
                   return "b";
                 }
               };
               return "a";
             },
             length: 3
           };
         }
 
@@ skipping 47 matching lines @@
       for (var i = 0; i < kIterCount; ++i) {
         assertEquals(Array.prototype.indexOf.call(args, undefined), -1);
         assertEquals(Array.prototype.indexOf.call(args, NaN), -1);
         assertEquals(Array.prototype.indexOf.call(args, NaN, -1), -1);
         assertEquals(Array.prototype.indexOf.call(args, "bar", -1), 2);
       }
     },
 
     SLOW_SLOPPY_ARGUMENTS_ELEMENTS() {
       var args = (function(a, a) { return arguments; })("foo", NaN, "bar");
-      Object.defineProperty(args, 3, { get() { return "silver"; } });
+      Object.defineProperty(args, 3, { get() { gc(); return "silver"; } });
       Object.defineProperty(args, "length", { value: 4 });
       assertTrue(%HasSloppyArgumentsElements(args));
 
       for (var i = 0; i < kIterCount; ++i) {
         assertEquals(Array.prototype.indexOf.call(args, undefined), -1);
         assertEquals(Array.prototype.indexOf.call(args, NaN), -1);
         assertEquals(Array.prototype.indexOf.call(args, NaN, -2), -1);
         assertEquals(Array.prototype.indexOf.call(args, "bar", -2), 2);
         assertEquals(Array.prototype.indexOf.call(args, "silver", -1), 3);
       }
@@ skipping 296 matching lines @@
 
 function runSuites(suites) {
   Object.keys(suites).forEach(suite => runSuite(suites[suite]));
 
   function runSuite(suite) {
     Object.keys(suite).forEach(test => suite[test]());
   }
 }
 
 runSuites(kTests);