| Index: src/array.js
 | 
| diff --git a/src/array.js b/src/array.js
 | 
| index e8767b2ac660b26c8329a124a9822c98ff83cd6e..97ce10dd85e0870e0f644cb7fef4dc475ceb5732 100644
 | 
| --- a/src/array.js
 | 
| +++ b/src/array.js
 | 
| @@ -925,7 +925,7 @@ function ArrayFilter(f, receiver) {
 | 
|    for (var i = 0; i < length; i++) {
 | 
|      var current = this[i];
 | 
|      if (!IS_UNDEFINED(current) || i in this) {
 | 
| -      if (%_CallFunction(receiver, current, i, this, f)) {
 | 
| +      if (f.call(receiver, current, i, this)) {
 | 
|          result[result_length++] = current;
 | 
|        }
 | 
|      }
 | 
| @@ -944,7 +944,7 @@ function ArrayForEach(f, receiver) {
 | 
|    for (var i = 0; i < length; i++) {
 | 
|      var current = this[i];
 | 
|      if (!IS_UNDEFINED(current) || i in this) {
 | 
| -      %_CallFunction(receiver, current, i, this, f);
 | 
| +      f.call(receiver, current, i, this);
 | 
|      }
 | 
|    }
 | 
|  }
 | 
| @@ -962,7 +962,7 @@ function ArraySome(f, receiver) {
 | 
|    for (var i = 0; i < length; i++) {
 | 
|      var current = this[i];
 | 
|      if (!IS_UNDEFINED(current) || i in this) {
 | 
| -      if (%_CallFunction(receiver, current, i, this, f)) return true;
 | 
| +      if (f.call(receiver, current, i, this)) return true;
 | 
|      }
 | 
|    }
 | 
|    return false;
 | 
| @@ -979,7 +979,7 @@ function ArrayEvery(f, receiver) {
 | 
|    for (var i = 0; i < length; i++) {
 | 
|      var current = this[i];
 | 
|      if (!IS_UNDEFINED(current) || i in this) {
 | 
| -      if (!%_CallFunction(receiver, current, i, this, f)) return false;
 | 
| +      if (!f.call(receiver, current, i, this)) return false;
 | 
|      }
 | 
|    }
 | 
|    return true;
 | 
| @@ -997,7 +997,7 @@ function ArrayMap(f, receiver) {
 | 
|    for (var i = 0; i < length; i++) {
 | 
|      var current = this[i];
 | 
|      if (!IS_UNDEFINED(current) || i in this) {
 | 
| -      accumulator[i] = %_CallFunction(receiver, current, i, this, f);
 | 
| +      accumulator[i] = f.call(receiver, current, i, this);
 | 
|      }
 | 
|    }
 | 
|    %MoveArrayContents(accumulator, result);
 | 
| 
 |