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<body><span class="vcard"><a class="email" href="mailto:james.molloy@arm.com" title="James Molloy <james.molloy@arm.com>"> <span class="fn">James Molloy</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - FreeBSD 11.0-CURRENT clang++ 3.7.1 gets Bus Errors during compilation on arm that has SCTLR bit[1]==1 (alignment required)"
href="https://llvm.org/bugs/show_bug.cgi?id=25958">bug 25958</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - FreeBSD 11.0-CURRENT clang++ 3.7.1 gets Bus Errors during compilation on arm that has SCTLR bit[1]==1 (alignment required)"
href="https://llvm.org/bugs/show_bug.cgi?id=25958#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - FreeBSD 11.0-CURRENT clang++ 3.7.1 gets Bus Errors during compilation on arm that has SCTLR bit[1]==1 (alignment required)"
href="https://llvm.org/bugs/show_bug.cgi?id=25958">bug 25958</a>
from <span class="vcard"><a class="email" href="mailto:james.molloy@arm.com" title="James Molloy <james.molloy@arm.com>"> <span class="fn">James Molloy</span></a>
</span></b>
<pre>Hi Mark,
Thanks for your detailed investigation. I can confirm that this is fixed on
trunk and therefore will be fixed for LLVM 3.8.
The fixes were done for SPARC, which requires strict accesses much as ARM does
with SCTLR=1.
There was a sequence of commits by James Knight that fixed these, but an
example is <a href="http://reviews.llvm.org/rL242554">http://reviews.llvm.org/rL242554</a> .
The fixes were in a similar vein to yours, but required changes in fewer places
and there were a few more sticky issues to solve too. I'll CC James here in
case he wants to comment on the current state of the clang codebase for
self-hosting in a strict alignment environment.
Cheers,
James</pre>
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