Fix crashes in intrinsified float32/float64 array setters when attempting to store a Smi. Added tes…

tests/standalone/float_array_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Dart test program for testing native float arrays.
 
 // Library tag to be able to run in html test framework.
 #library("FloatArrayTest.dart");
 
 #import('dart:scalarlist');
@@ skipping 64 matching lines @@
   list = new Float32List(10);
   for (int i = 0; i < list.length; i++) {
     list[i] = i + 10.0;
   }
   Expect.equals(0, list.indexOf(10.0));
   Expect.equals(5, list.indexOf(15.0));
   Expect.equals(9, list.indexOf(19.0));
   Expect.equals(-1, list.indexOf(20.0));
 }
 
+void testBadValues32() {
+  var list = new Float32List(10);
+  list[0] = 2.0;
+  Expect.throws(() {
+    list[0] = 2;
+  });
+  Expect.throws(() {
+    list[0] = "hello";
+  });
+}
+
 void testCreateFloat64Array() {
   Float64List floatArray;
 
   floatArray = new Float64List(0);
   Expect.equals(0, floatArray.length);
 
   floatArray = new Float64List(10);
   Expect.equals(10, floatArray.length);
   for (int i = 0; i < 10; i++) {
     Expect.equals(0.0, floatArray[i]);
@@ skipping 53 matching lines @@
   list = new Float64List(10);
   for (int i = 0; i < list.length; i++) {
     list[i] = i + 10.0;
   }
   Expect.equals(0, list.indexOf(10.0));
   Expect.equals(5, list.indexOf(15.0));
   Expect.equals(9, list.indexOf(19.0));
   Expect.equals(-1, list.indexOf(20.0));
 }
 
+void testBadValues64() {
+  var list = new Float64List(10);
+  list[0] = 2.0;
+  Expect.throws(() {
+    list[0] = 2;
+  });
+  Expect.throws(() {
+    list[0] = "hello";
+  });
+}
+
 main() {
   for (int i = 0; i < 2000; i++) {
     testCreateFloat32Array();
     testSetRange32();
     testIndexOutOfRange32();
     testIndexOf32();
   }
   for (int i = 0; i < 2000; i++) {
     testCreateFloat64Array();
     testSetRange64();
     testIndexOutOfRange64();
     testIndexOf64();
   }
+  // These two take a long time in checked mode.
+  testBadValues32();
+  testBadValues64();
 }