Try to switch Array builtins into strict mode.

test/mjsunit/function-caller.js

Index: test/mjsunit/function-caller.js
diff --git a/test/mjsunit/function-caller.js b/test/mjsunit/function-caller.js
index bc01750f9351d48f6b7da633397ef38bb714c5fe..a2c54bbfd391d6170b3e93d025ac2964d7bc5f85 100644
--- a/test/mjsunit/function-caller.js
+++ b/test/mjsunit/function-caller.js
@@ -46,10 +46,10 @@ f(null);
 // Check called from eval.
 eval('f(null)');
 
-// Check called from builtin functions. Only show the initially called
-// (publicly exposed) builtin function, not it's internal helper functions.
-[Array.prototype.sort, Array.prototype.sort].sort(f);
+// Check called from strict builtin functions.
+[null, null].sort(f);
 
+// Check called from sloppy builtin functions.
 "abel".replace(/b/g, function h() {
    assertEquals(String.prototype.replace, h.caller);
 });