Dynamically align OSR frames on ia32.

test/mjsunit/compiler/osr-alignment.js

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 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --use-osr
 
-function f() {
+function f1() {
   var sum = 0;
   for (var i = 0; i < 1000000; i++) {
     var x = i + 2;
     var y = x + 5;
     var z = y + 3;
     sum += z;
   }
   return sum;
 }
 
+function f2() {
+  var sum = 0;
+  for (var i = 0; i < 1000000; i++) {
+    var x = i + 2;
+    var y = x + 5;
+    var z = y + 3;
+    sum += z;
+  }
+  return sum;
+}
 
-for (var i = 0; i < 2; i++) {
-  assertEquals(500009500000, f());
+function f3() {
+  var sum = 0;
+  for (var i = 0; i < 1000000; i++) {
+    var x = i + 2;
+    var y = x + 5;
+    var z = y + 3;
+    sum += z;
+  }
+  return sum;
 }
+
+function test1() {
+  var j = 11;
+  for (var i = 0; i < 2; i++) {
+    assertEquals(500009500000, f1());
+  }
+}
+
+function test2() {
+  for (var i = 0; i < 2; i++) {
+    var j = 11, k = 12;
+    assertEquals(500009500000, f2());
+  }
+}
+
+function test3() {
+  for (var i = 0; i < 2; i++) {
+    var j = 11, k = 13, m = 14;
+    assertEquals(500009500000, f3());
+  }
+}
+
+test1();
+test2();
+test3();