<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Nov 2, 2010, at 12:04 PM, John Thompson wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>>Why? Is this what GCC does?<br><br>Yes. The class example I enclosed previously will build with our gcc, whereas Clang would not, as Clang only allows a strict POD class or struct in the original code. I just posted a patch on cfe-commits to fix this.</div></blockquote><div><br></div><div>Okay. This patch uses isDynamicClass(), which means that we still permit classes that involve multiple inheritance. Is that intended? Does it make sense?</div><div><br></div><div>It seems to me that the right language idea might be the C++0x standard-layout class, rather than the idea of a non-dynamic class.</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>- Doug</div><br><blockquote type="cite">
<div>-John<br><br></div>
<div class="gmail_quote">On Tue, Nov 2, 2010 at 11:54 AM, Douglas Gregor <span dir="ltr"><<a href="mailto:dgregor@apple.com">dgregor@apple.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div class="im"><br>On Nov 1, 2010, at 5:05 PM, John Thompson wrote:<br><br>> I need a way easily check to make sure a function has no virtual functions, or other stuff that would inject extra stuff into an object or structure, as part of the validation for the vecreturn attribute. How do I do it?<br>
><br>> Checking the CXXRecordDecl::PlainOldData flag with isPOD doesn't work, because the the strict definition of POD goes too far for this case.<br><br></div>Why? Is this what GCC does?<br><br> - Doug</blockquote>
</div><br><br clear="all"><br>-- <br>John Thompson<br><a href="mailto:John.Thompson.JTSoftware@gmail.com">John.Thompson.JTSoftware@gmail.com</a><br><br>
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