Le 13 mars 2013 à 04:10, John McCall <[email protected]> a écrit :
> Author: rjmccall > Date: Tue Mar 12 22:10:54 2013 > New Revision: 176924 > > URL: http://llvm.org/viewvc/llvm-project?rev=176924&view=rev > Log: > Tighten up the rules for precise lifetime and document > the requirements on the ARC optimizer. > > rdar://13407451 > … > + > + Specifically, ARC is sometimes permitted to optimize ``release`` > + operations in ways which might cause an object to be deallocated > + before it would otherwise be. Without this, it would be almost > + impossible to eliminate any ``retain``/``release`` pairs. For > + example, consider the following code: > + > + .. code-block:: objc > + id x = _ivar; > + [x foo]; > + For some reason, this code block does not appears in the generated html at "http://clang.llvm.org/docs/AutomaticReferenceCounting.html"; I'm not familiar with the rst format though, so I can tell you what is wrong here. -- Jean-Daniel _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
