Fixed regression that causes all avm2 tests to fail in the js shell
Fixed regression that causes all avm2 tests to fail in the js shell

Introduced by #882. Sorry.

mozilla/shumway,mozilla/shumway,mozilla/shumway,tschneidereit/shumway,yurydelendik/shumway,yurydelendik/shumway,tschneidereit/shumway,tschneidereit/shumway,mozilla/shumway,mbebenita/shumway,mozilla/shumway,mozilla/shumway,mbebenita/shumway,mozilla/shumway,yurydelendik/shumway,yurydelendik/shumway,tschneidereit/shumway,mbebenita/shumway,tschneidereit/shumway,yurydelendik/shumway,tschneidereit/shumway,mbebenita/shumway,tschneidereit/shumway,yurydelendik/shumway,mbebenita/shumway,yurydelendik/shumway,mbebenita/shumway,tschneidereit/shumway,mbebenita/shumway,mozilla/shumway,mbebenita/shumway,yurydelendik/shumway