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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - llvm-mc chokes on .file directives generated by clang -S"
href="https://bugs.llvm.org/show_bug.cgi?id=44210">44210</a>
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<th>Summary</th>
<td>llvm-mc chokes on .file directives generated by clang -S
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>DebugInfo
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>labath@google.com
</td>
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<th>CC</th>
<td>cmtice@google.com, echristo@gmail.com, jdevlieghere@apple.com, keith.walker@arm.com, llvm-bugs@lists.llvm.org, paul_robinson@playstation.sony.com
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<pre>I think this example says it all
=====
$ echo "void foo(){}" > test.c
$ clang -gmlt -gdwarf-5 ./test.c -c -o a.o # everything OK here
$ clang -gmlt -gdwarf-5 ./test.c -S -o - | llvm-mc -filetype=obj -o a.o -
-dwarf-version=5
<stdin>:10:7: error: unassigned file number in '.loc' directive
.loc 1 1 0 # ./test.c:1:0
^
<stdin>:19:7: error: unassigned file number in '.loc' directive
.loc 1 1 12 prologue_end # ./test.c:1:12
=====
This is kind of related to pr44170, as the trigger for it is pretty subtle
(it's the "./" part -- see that bug for details).</pre>
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