<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=""><div class="">Are you using Xcode 7.3? The new toolchains only support Xcode 8 (because of SDK requirements and issues with Xcode 7's Clang).</div><div class=""><br class=""></div><div class="">Jordan</div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 21, 2016, at 10:17, Daniel Dunbar via swift-users &lt;<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Can you reduce the problem to a small test case? Please file a bug report on <a href="http://bugs.swift.org/" class="">bugs.swift.org</a>&nbsp;for this, and include information on the last toolchain which worked.<div class=""><br class=""></div><div class="">&nbsp;- Daniel</div><div class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Jun 21, 2016, at 5:16 AM, Charles Lane via swift-users &lt;<a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">I’m running macOS Sierra. When I set ios 10 as the deployment target, I get an error: Command failed due to signal: Illegal instruction: 4<br class="">It seems to build ok when using 9.3 or below as the build target.<br class=""><br class="">_______________________________________________<br class="">swift-users mailing list<br class=""><a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a><br class=""><a href="https://lists.swift.org/mailman/listinfo/swift-users" class="">https://lists.swift.org/mailman/listinfo/swift-users</a><br class=""></div></div></blockquote></div><br class=""></div></div>_______________________________________________<br class="">swift-users mailing list<br class=""><a href="mailto:swift-users@swift.org" class="">swift-users@swift.org</a><br class="">https://lists.swift.org/mailman/listinfo/swift-users<br class=""></div></blockquote></div><br class=""></body></html>