Fix TransitionElementsKindStub to handle non-JSArray objects correctly.

test/mjsunit/regress/regress-352982.js

 // Copyright 2014 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --allow-natives-syntax
+// Flags: --allow-natives-syntax --expose-gc
 
-function f_13(x, y, z) { }
-
-v_5 = f_13.bind({}, -7);
-
-function f_0(z) {
-  return %NewObjectFromBound(v_5);
+function __f_4(i1) {
+  return __v_3[i1] * __v_3[0];
 }
-
-function f_8(z2, y2) {
-  var v_0 = { f1 : 0.5, f2 : 0.25 };
-  return f_0(v_0);
+function __f_3(i1) {
+  __f_4(i1);
+  __f_4(i1 + 16);
+  __f_4(i1 + 32);
+  %OptimizeFunctionOnNextCall(__f_4);
+  var x = __f_4(i1 + 993);
+  return x;
 }
-
-function f_12(f, args) {
-  f.apply(this, args);
-  %OptimizeFunctionOnNextCall(f);
-  f.apply(this, args);
+function __f_5() {
+  __v_3[0] = +__v_3[0];
+  gc();
+  __f_3(0) | 0;
+  __v_3 = /\u23a1|x/;
+  return 0;
 }
-
-f_12(f_8, [6, 4]);
+var __v_3 = new Float32Array(1000);
+__f_5();
+__f_5();
+__f_5();