- optimized Regexp.prototype.exec

- optimized String.prototype.replace
- optimized 'arguments' object creation
- optimized access to non strict 'arguments' elements

Author: Fabrice Bellard

Changelog

@@ -1,4 +1,4 @@
-- micro optimizations (15% faster on bench-v8)
+- micro optimizations (30% faster on bench-v8)
 - added resizable array buffers
 - added ArrayBuffer.prototype.transfer
 - added the Iterator object and methods