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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [MC] Assertion failed: (SegReg || BaseReg || IndexReg) && "Invalid memory operand!""
href="http://llvm.org/bugs/show_bug.cgi?id=20504">20504</a>
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<th>Summary</th>
<td>[MC] Assertion failed: (SegReg || BaseReg || IndexReg) && "Invalid memory operand!"
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>MC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>rnk@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>chad.rosier@gmail.com, grosbach@apple.com, llvmbugs@cs.uiuc.edu, t.p.northover@gmail.com
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>I was trying to write 'calll *_my_fn_ptr' and wrote 'calll _my_fn_ptr()' and
crashed the parser.
$ cat t.s
.data
_my_fn_ptr:
.long 0
.text
calll _my_fn_ptr()
$ llvm-mc t.s
Assertion failed: (SegReg || BaseReg || IndexReg) && "Invalid memory operand!",
file d:\src\llvm\lib\target\x86\asmparser\X86Operand.h, line 470</pre>
</div>
</p>
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