<div dir="ltr"><div class="gmail_extra">What are the failures you observe? We're running an UBSan bootstrap on our buildbot, and it's usually green:</div><div class="gmail_extra"><a href="http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/11059">http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/11059</a><br></div><div class="gmail_extra"><div class="gmail_quote"><br></div><div class="gmail_quote">On Thu, Feb 25, 2016 at 2:42 PM, Kostya Serebryany <span dir="ltr"><<a href="mailto:kcc@google.com" target="_blank">kcc@google.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Sounds very scary. <div>At the very least we should specify which flavor of UB we allow here (not just all of it)</div></div></blockquote><div><br></div><div>+1 I would prefer LLVM_NO_SANITIZE("kind") macro.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>And then comment why exactly we allow it. </div></div></blockquote><div><br></div><div>Or leave a link to PR for eventually fixing this UB.</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class=""><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 25, 2016 at 1:19 PM, Justin Bogner <span dir="ltr"><<a href="mailto:mail@justinbogner.com" target="_blank">mail@justinbogner.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">Attached patch silences -fsanitize=undefined wrt the UB we have for<br>
ilist node sentinels. Okay to commit?<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Alexey Samsonov<br><a href="mailto:vonosmas@gmail.com" target="_blank">vonosmas@gmail.com</a></div></div>
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