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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IA] error: register expected"
href="https://bugs.llvm.org/show_bug.cgi?id=43631">43631</a>
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<th>Summary</th>
<td>[IA] error: register expected
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: ARM
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>caij2003@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, peter.smith@linaro.org, Ties.Stuij@arm.com
</td>
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<p>
<div>
<pre>Integrated assembler accepts immediate numbers without hash as the offset in
memory expression for GAS compatibility, but failed to handle those with
parentheses.
$cat bad.s
.syntax unified
ldr r12, [sp, (15)]
$clang -target arm-linux-gnueabihf bad.s
bad.s:2:17: error: register expected
ldr r12, [sp, (15)]
^
$ arm-linux-gnueabihf-as bad.s
$ echo $?
0</pre>
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