handle unsafe upcasts while inlining (fixed issue #1219)

git-svn-id: http://haxe.googlecode.com/svn/trunk@5973 f16182fa-f095-11de-8f43-4547254af6c6
Store array of strings

git-svn-id: http://haxe.googlecode.com/svn/trunk@5974 f16182fa-f095-11de-8f43-4547254af6c6