[LLVMbugs] [Bug 9650] New: ARM disassembler: Assertion `0 && "Unexpected opcode!"' failed.

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9650

           Summary: ARM disassembler: Assertion `0 && "Unexpected
                    opcode!"' failed.
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sliedes at cc.hut.fi
                CC: llvmbugs at cs.uiuc.edu


This is trunk r129111 running on Debian x86-64.

I get

$ echo '0x30 0x00 0x50 0x07' |llvm-mc --disassemble --triple=arm
llvm-mc: ARMDisassemblerCore.cpp:535: bool BadRegsMulFrm(unsigned int,
uint32_t): Assertion `0 && "Unexpected opcode!"' failed.
0  llvm-mc         0x0000000000d9838f
1  llvm-mc         0x0000000000d98eca
2  libpthread.so.0 0x00007f464fe3cf60
3  libc.so.6       0x00007f464f159165 gsignal + 53
4  libc.so.6       0x00007f464f15bf70 abort + 384
5  libc.so.6       0x00007f464f1522b1 __assert_fail + 241
6  llvm-mc         0x000000000054b1bd
7  llvm-mc         0x000000000054bac6
8  llvm-mc         0x0000000000550b42
9  llvm-mc         0x000000000053c6ab
10 llvm-mc         0x0000000000408903
11 llvm-mc         0x0000000000409c1f
12 llvm-mc         0x000000000040c762
13 libc.so.6       0x00007f464f145c4d __libc_start_main + 253
14 llvm-mc         0x0000000000406e29
Stack dump:
0.      Program arguments: llvm-mc --disassemble --triple=arm 
Aborted

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