<html>
    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Crash using integrated assembler with immediate arithmetic"
   href="http://llvm.org/bugs/show_bug.cgi?id=18931">18931</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Crash using integrated assembler with immediate arithmetic
          </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>

        <tr>
          <th>OS</th>
          <td>OpenBSD
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Backend: ARM
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>simon.hosie@arm.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=12101" name="attach_12101" title="fatal test case">attachment 12101</a> <a href="attachment.cgi?id=12101&action=edit" title="fatal test case">[details]</a></span>
fatal test case

For the attached code fragment, Clang dies here:

clang: /home/simhos01/llvm/llvm/include/llvm/MC/MCInst.h:75: int64_t
llvm::MCOperand::getImm() const: Assertion `isImm() && "This is not an
immediate"' failed.
0  clang           0x0000000002386355 llvm::sys::PrintStackTrace(_IO_FILE*) +
37
1  clang           0x0000000002386b43
2  libpthread.so.0 0x00007fe104f7ecb0
3  libc.so.6       0x00007fe103d9c425 gsignal + 53
4  libc.so.6       0x00007fe103d9fb8b abort + 379
5  libc.so.6       0x00007fe103d950ee
6  libc.so.6       0x00007fe103d95192
7  clang           0x000000000198376f
8  clang           0x0000000001976e45
9  clang           0x0000000001970cae
10 clang           0x0000000002305772
llvm::MCELFStreamer::EmitInstToData(llvm::MCInst const&, llvm::MCSubtargetInfo
const&) + 146
11 clang           0x0000000002310c15
llvm::MCObjectStreamer::EmitInstruction(llvm::MCInst const&,
llvm::MCSubtargetInfo const&) + 437
12 clang           0x000000000193234f
13 clang           0x0000000001d773a1
14 clang           0x0000000001d719a2
15 clang           0x0000000000690113 cc1as_main(char const**, char const**,
char const*, void*) + 8899
16 clang           0x0000000000691feb main + 3099
17 libc.so.6       0x00007fe103d8776d __libc_start_main + 237
18 clang           0x000000000068d1e9</pre>
        </div>
      </p>
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