<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Aug 27, 2020, at 12:02 AM, Owen Anderson <<a href="mailto:resistor@mac.com" class="">resistor@mac.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="Apple-interchange-newline">On Aug 26, 2020, at 11:43 PM, Martin Storsjö <<a href="mailto:martin@martin.st" class="">martin@martin.st</a>> wrote:<br class=""><br class="">On Wed, 26 Aug 2020, Owen Anderson via llvm-commits wrote:<br class=""><br class=""><blockquote type="cite" class=""><br class="">Author: Owen Anderson<br class="">Date: 2020-08-26T19:38:38Z<br class="">New Revision: 9936455204fd6ab72715cc9d67385ddc93e072ed<br class=""><br class="">URL: <a href="https://github.com/llvm/llvm-project/commit/9936455204fd6ab72715cc9d67385ddc93e072ed" class="">https://github.com/llvm/llvm-project/commit/9936455204fd6ab72715cc9d67385ddc93e072ed</a><br class="">DIFF: <a href="https://github.com/llvm/llvm-project/commit/9936455204fd6ab72715cc9d67385ddc93e072ed.diff" class="">https://github.com/llvm/llvm-project/commit/9936455204fd6ab72715cc9d67385ddc93e072ed.diff</a><br class=""><br class="">LOG: Reapply D70800: Fix AArch64 AAPCS frame record chain<br class=""></blockquote><br class="">This commit caused failed assertions, so I went ahead and reverted it - see the revert commit message for a reduced reproduction case.<br class=""></blockquote><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Thank you for the test case, I’ll track down the issue.</span><br class=""></div></blockquote><br class=""></div><div>After debugging this test case, it looks like the assertion in question is simply erroneous. A non-multiple-of-16 stack adjustment *is* required in this test case.</div><div><br class=""></div><div>Can you try disabling that assertion and seeing if whatever code you extracted this test from now works?</div><div><br class=""></div><div>Thanks,</div><div><br class=""></div><div>—Owen</div><br class=""></body></html>