<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Dec 5, 2014, at 1:05 AM, İsmail Dönmez <<a href="mailto:ismail@donmez.ws" class="">ismail@donmez.ws</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><br class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">On Fri, Dec 5, 2014 at 10:36 AM, Stephan Bergmann <span dir="ltr" class=""><<a href="mailto:sbergman@redhat.com" target="_blank" class="">sbergman@redhat.com</a>></span> wrote:<br class=""><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 class="">
<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 class="">
possibly incorrect.<br class="">
</blockquote>
<br class=""></span>
...which reminds me of <<a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20141201/247604.html" target="_blank" class="">http://lists.cs.uiuc.edu/<u class=""></u>pipermail/llvm-commits/Week-<u class=""></u>of-Mon-20141201/247604.html</a>> "[PATCH] [comiler-rt/ubsan] getVtablePrefix must not sanity-check on Prefix->Offset > 0"</blockquote><div class=""><br class=""></div><div class="">Ok so just to confirm to use ubsan against c++ programs I do not necessarily recompile libc++ with ubsan support right? </div></div></div></div></div></blockquote><br class=""></div><div>Correct.</div><div><br class=""></div><div>— Marshall</div><div><br class=""></div><br class=""></body></html>