ES6: Add support for explicit octal and binary integer literals

test/mjsunit/harmony/numeric-literals-off.js

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-"use strict"
+// This is to ensure that we do not support 0b and 0o in Number when
+// the --harmony-numeric-literals flag is not set.
 
-function f() {
-  throw new Error("test stack");
+
+function TestOctalLiteralUsingNumberFunction() {
+  assertEquals(NaN, Number('0o0'));
 }
+TestOctalLiteralUsingNumberFunction();
 
-var error_stack = "";
-try {
-  f.call(null);
-} catch (e) {
-  error_stack = e.stack;
+
+function TestBinaryLiteralUsingNumberFunction() {
+  assertEquals(NaN, Number('0b0'));
 }
-
-assertTrue(error_stack.indexOf("test stack") > 0);
-assertTrue(error_stack.indexOf("illegal") < 0);
-
+TestBinaryLiteralUsingNumberFunction();