<div dir="ltr">I can confirm that both issues were solved/bypassed by rebuilding the toolchain with assertions disabled. The provided examples compiled successfully, so we finally got the same result as the official 2.2 toolchain. <div><br><div>Thank you again for the input!</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-10-06 9:26 GMT+02:00 Xavier Jurado <span dir="ltr"><<a href="mailto:xavier.jurado@gmail.com" target="_blank">xavier.jurado@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks for the hint! When I built the toolchain I modified the "mixin_lightweight_assertions" preset locally to use "no-assertions" and "swift-assertions", thinking it was the appropriate combination based on a FIXME comment. I will try building it again with only "no-assertions" and report back.</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">2016-10-05 18:28 GMT+02:00 Jordan Rose <span dir="ltr"><<a href="mailto:jordan_rose@apple.com" target="_blank">jordan_rose@apple.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Aha, so the second bug is because home-built toolchains have assertions on by default and Xcode GM toolchains generally have them off. (Not a promise, but true of the last few Xcodes.) Of course, if you hit an assertion failure, there’s no telling what the no-asserts build is actually doing.<br>
<br>
I’m not so sure the first bug falls into the same category yet, but it might as well.<br>
<span class="m_6560154232918082148HOEnZb"><font color="#888888"><br>
Jordan<br>
</font></span><div class="m_6560154232918082148HOEnZb"><div class="m_6560154232918082148h5"><br>
<br>
> On Oct 4, 2016, at 14:05, Jordan Rose via swift-dev <<a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a>> wrote:<br>
><br>
> Thanks, Xavi. Hopefully these aren't blocking you in Xcode 8 either (in either Swift 2.3 or Swift 3).<br>
><br>
>> On Oct 4, 2016, at 8:03, Xavier Jurado via swift-dev <<a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a>> wrote:<br>
>><br>
>> Hello Jordan,<br>
>><br>
>> We have filled two bugs against <a href="http://bugs.swift.org" rel="noreferrer" target="_blank">bugs.swift.org</a> to document two crashes<br>
>> that are only reproducible with our toolchain built from the<br>
>> swift-2.2.1-RELEASE tag, but that appear fixed in the official<br>
>> toolchain bundled with Xcode 7.3.1 (7D1014).<br>
>><br>
>> Crashers:<br>
>><br>
>> <a href="https://bugs.swift.org/browse/SR-2844" rel="noreferrer" target="_blank">https://bugs.swift.org/browse/<wbr>SR-2844</a><br>
>> <a href="https://bugs.swift.org/browse/SR-2845" rel="noreferrer" target="_blank">https://bugs.swift.org/browse/<wbr>SR-2845</a><br>
>><br>
>> Since using the official toolchain somehow fixes the issues we realize<br>
>> they are far from critical, but we have reported them in hope of<br>
>> finding the discrepancies between the official toolchain and the the<br>
>> tagged releases.<br>
>><br>
>> Thanks,<br>
>> Xavi<br>
>> ______________________________<wbr>_________________<br>
>> swift-dev mailing list<br>
>> <a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a><br>
>> <a href="https://lists.swift.org/mailman/listinfo/swift-dev" rel="noreferrer" target="_blank">https://lists.swift.org/mailma<wbr>n/listinfo/swift-dev</a><br>
><br>
> ______________________________<wbr>_________________<br>
> swift-dev mailing list<br>
> <a href="mailto:swift-dev@swift.org" target="_blank">swift-dev@swift.org</a><br>
> <a href="https://lists.swift.org/mailman/listinfo/swift-dev" rel="noreferrer" target="_blank">https://lists.swift.org/mailma<wbr>n/listinfo/swift-dev</a><br>
<br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>