<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 20, 2013 at 9:24 PM, Sean McBride <span dir="ltr"><<a href="mailto:sean@rogue-research.com" target="_blank">sean@rogue-research.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all,<br>
<br>
I built clang ToT yesterday and tried to build a big project (on OS X 10.7) with ubsan flags on.  I get the following:<br>
<br>
225: ==24012== Sanitizer CHECK failed: /Users/sean/llvm/llvm/projects/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_mac.cc:26 ((0 && "unimplemented")) != (0) (0, 0)<br>
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Is this an indication of it catching undefined behaviour in my code, or some unfinished work in ubsan itself, or...?<br></blockquote><div><br></div><div style>Hi Sean!</div><div style><br></div><div style>Sorry for the late response...</div>
<div style>r176091 should hopefully help you. Symbolization doesn't work on Mac yet, I'll try to fix this soon.</div><div style>Try re-running your code under ubsan - it's likely the case that ubsan detected some error and died while</div>
<div style>trying to report it.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Thanks,<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
____________________________________________________________<br>
Sean McBride, B. Eng                 <a href="mailto:sean@rogue-research.com">sean@rogue-research.com</a><br>
Rogue Research                        <a href="http://www.rogue-research.com" target="_blank">www.rogue-research.com</a><br>
Mac Software Developer              Montréal, Québec, Canada<br>
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</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Alexey Samsonov, MSK</div>
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