Fix System.nativeArraycopy and (native) String.valueOf root cause: call stack limitations of Function.prototype.apply implementations. http://stackoverflow.com/questions/18308700 Bug: issue 7651, issue 8239 Change-Id: I8d7ab5bc98976b27e6ab1db66882d26046b17c2b Review-Link: https://gwt-review.googlesource.com/#/c/6310/