Add micro benchmarks to verify that we hoist bound checks.

benchmarks/misc/tests/assorted/LIST

@@ -35,3 +35,4 @@ misc-bugs-1131099-lodash1
 misc-bugs-1131099-lodash2
 misc-bugs-1131099-underscore
 misc-bugs-1090583-dart2js-tracer
+misc-basic-hoist-bounds-check

benchmarks/misc/tests/assorted/misc-basic-hoist-bounds-check.js

@@ -0,0 +1,17 @@
+var num = 10000, max = 2000;
+var str = new Array(num).join(',');
+
+function countCommas(str) {
+  var commas = 0;
+  for (var i = 0; i < str.length; i++) {
+    if (str.charCodeAt(i) === 44 /* ',' */)
+      commas++;
+  }
+  return commas;
+}
+
+with ({ res: 0 }) {
+  for (var i = 0; i < max; i++)
+    res += countCommas(str);
+  assertEq(res, (num - 1) * max);
+};

browser-driver/benchmarks_shell.py

@@ -113,7 +113,7 @@ class Kraken(SunSpiderBased):
 
 class Assorted(SunSpiderBased):
     def __init__(self):
-        super(Assorted, self).__init__('misc', '0.1', 'misc', 3)
+        super(Assorted, self).__init__('misc', '0.4', 'misc', 3)
 
 def getBenchmark(name):
     if name == "octane":

driver/benchmarks.py

@@ -176,7 +176,7 @@ class Kraken(SunSpiderBased):
 
 class Assorted(SunSpiderBased):
     def __init__(self):
-        super(Assorted, self).__init__('misc', '0.3', 'misc', 3)
+        super(Assorted, self).__init__('misc', '0.4', 'misc', 3)
 
 class Shumway(Benchmark):
     def __init__(self):