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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Using __builtin_assume_aligned with alignment sanitizer leads to a crash in clang"
href="https://bugs.llvm.org/show_bug.cgi?id=45813">45813</a>
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<th>Summary</th>
<td>Using __builtin_assume_aligned with alignment sanitizer leads to a crash in clang
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>9.0
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>vlad.golovkin.mail@gmail.com
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23449" name="attach_23449" title="main.c">attachment 23449</a> <a href="attachment.cgi?id=23449&action=edit" title="main.c">[details]</a></span>
main.c
Trying to compile the following code in Ubuntu 18.04 with command clang-9
-fsanitize=alignment main.c leads to a crash:
int main(void)
{
__attribute__((aligned(16))) int data[4];
__builtin_assume_aligned(data, 16);
}</pre>
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