In G__class_autoloading, if the current entry is zapped during the autoloading operation itself, we ought to lookup the new value to set the output tagnum correctly.
In G__class_autoloading, if the current entry is zapped during the autoloading
operation itself, we ought to lookup the new value to set the output tagnum correctly.

When setting the autoload entry for something there is already a typedef, pass it
on to the final type if that type is only forward declared.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@27165 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT