Don't fast RemoveArrayHoles in case of arguments arrays.

test/mjsunit/regress/regress-sort-arguments.js

Index: test/mjsunit/regress/regress-sort-arguments.js
diff --git a/test/mjsunit/regress/regress-347904.js b/test/mjsunit/regress/regress-sort-arguments.js
similarity index 53%
copy from test/mjsunit/regress/regress-347904.js
copy to test/mjsunit/regress/regress-sort-arguments.js
index 1a27b054a4b89b8e8841c9311f1c155aea7ce4d7..54ebeb111bbc9ad7411f1c970660ab7c136244c1 100644
--- a/test/mjsunit/regress/regress-347904.js
+++ b/test/mjsunit/regress/regress-sort-arguments.js
@@ -2,11 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --stress-runs=2
-
-var v = /abc/;
-function f() {
-  v = 1578221999;
-};
-%OptimizeFunctionOnNextCall(f);
-f();
+function f(a) { return arguments; }
+var a = f(1,2,3);
+delete a[1];
+Array.prototype.sort.apply(a);
+a[10000000] = 4;
+Array.prototype.sort.apply(a);