<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">On Jul 26, 2013, at 2:02 PM, Eli Friedman <<a href="mailto:eli.friedman@gmail.com">eli.friedman@gmail.com</a>> wrote:<br><div><blockquote type="cite"><div style="font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">On Fri, Jul 26, 2013 at 1:58 PM, John McCall <<a href="mailto:rjmccall@apple.com">rjmccall@apple.com</a>> wrote:<br><blockquote type="cite">On Jul 25, 2013, at 5:53 PM, Eli Friedman <<a href="mailto:eli.friedman@gmail.com">eli.friedman@gmail.com</a>> wrote:<br><br>Author: efriedma<br>Date: Thu Jul 25 19:53:29 2013<br>New Revision: 187174<br><br>URL:<span class="Apple-converted-space"> </span><a href="http://llvm.org/viewvc/llvm-project?rev=187174&view=rev">http://llvm.org/viewvc/llvm-project?rev=187174&view=rev</a><br>Log:<br>Fix GNU ObjC ABI for a message returning a struct.<br><br>This allows the ObjFW runtime to correctly implement message forwarding<br>for messages which return a struct.<br><br>Patch by Jonathan Schleifer.<br><br><br>Hey, Jonathan.<br><br>This isn’t really a language extension; it’s an ABI feature that fixes a<br>language<br>feature. I don’t think it rises to the level of being worth documenting in<br>the<br>language-extensions section.<br></blockquote><br>I'm the one that pushed for this: we don't want a __has_feature with<br>no explanation of what it does.<br></div></blockquote></div><div><br></div><div>That’s probably a reasonable rule, assuming we want a __has_feature here.</div><div><br></div><div>John.</div></body></html>