X64: Convert smis to holding 32 bits of payload.

test/mjsunit/for-in.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 function props(x) {
   var array = [];
   for (var p in x) array.push(p);
   return array.sort();
 }
 
-assertEquals(0, props({}).length);
-assertEquals(1, props({x:1}).length);
-assertEquals(2, props({x:1, y:2}).length);
+assertEquals(0, props({}).length, "olen0");
+assertEquals(1, props({x:1}).length, "olen1");
+assertEquals(2, props({x:1, y:2}).length, "olen2");
 
-assertArrayEquals(["x"], props({x:1}));
-assertArrayEquals(["x", "y"], props({x:1, y:2}));
-assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}));
+assertArrayEquals(["x"], props({x:1}), "x");
+assertArrayEquals(["x", "y"], props({x:1, y:2}), "xy");
+assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}), "xyzoom");
 
-assertEquals(0, props([]).length);
-assertEquals(1, props([1]).length);
-assertEquals(2, props([1,2]).length);
+assertEquals(0, props([]).length, "alen0");
+assertEquals(1, props([1]).length, "alen1");
+assertEquals(2, props([1,2]).length, "alen2");
 
-assertArrayEquals(["0"], props([1]));
-assertArrayEquals(["0", "1"], props([1,2]));
-assertArrayEquals(["0", "1", "2"], props([1,2,3]));
+assertArrayEquals(["0"], props([1]), "0");
+assertArrayEquals(["0", "1"], props([1,2]), "01");
+assertArrayEquals(["0", "1", "2"], props([1,2,3]), "012");
 
 var o = {};
 var a = [];
 for (var i = 0x0020; i < 0x01ff; i+=2) {
   var s = 'char:' + String.fromCharCode(i);
   a.push(s);
   o[s] = i;
 }
-assertArrayEquals(a, props(o));
+assertArrayEquals(a, props(o), "charcodes");
 
 var a = [];
-assertEquals(0, props(a).length);
+assertEquals(0, props(a).length, "proplen0");
 a[Math.pow(2,30)-1] = 0;
-assertEquals(1, props(a).length);
+assertEquals(1, props(a).length, "proplen1");
 a[Math.pow(2,31)-1] = 0;
-assertEquals(2, props(a).length);
+assertEquals(2, props(a).length, "proplen2");
 a[1] = 0;
-assertEquals(3, props(a).length);
+assertEquals(3, props(a).length, "proplen3");
 
 for (var hest = 'hest' in {}) { }
-assertEquals('hest', hest);
+assertEquals('hest', hest, "empty-no-override");
 
 var result = '';
 for (var p in {a : [0], b : 1}) { result += p; }
-assertEquals('ab', result);
+assertEquals('ab', result, "ab");
 
 var result = '';
 for (var p in {a : {v:1}, b : 1}) { result += p; }
-assertEquals('ab', result);
+assertEquals('ab', result, "ab-nodeep");
 
 var result = '';
 for (var p in { get a() {}, b : 1}) { result += p; }
-assertEquals('ab', result);
+assertEquals('ab', result, "abget");
 
 var result = '';
 for (var p in { get a() {}, set a(x) {}, b : 1}) { result += p; }
-assertEquals('ab', result);
+assertEquals('ab', result, "abgetset");