<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Dec 5, 2014 at 10:36 AM, Stephan Bergmann <span dir="ltr"><<a href="mailto:sbergman@redhat.com" target="_blank">sbergman@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On 12/04/2014 10:39 PM, Richard Smith wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
The UBSan runtime's support for type checks of virtual bases is new and<br>
possibly incorrect.<br>
</blockquote>
<br></span>
...which reminds me of <<a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141201/247604.html" target="_blank">http://lists.cs.uiuc.edu/<u></u>pipermail/llvm-commits/Week-<u></u>of-Mon-20141201/247604.html</a>> "[PATCH] [comiler-rt/ubsan] getVtablePrefix must not sanity-check on Prefix->Offset > 0"</blockquote><div><br></div><div>Ok so just to confirm to use ubsan against c++ programs I do not necessarily recompile libc++ with ubsan support right? </div><div><br></div><div>Regards.</div><div><br></div></div></div></div>