<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/85783>85783</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            llvm-objdump can reach llvm_unreachable("no symbol table pointer!"), causing later trouble
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          emaste
      </td>
    </tr>
</table>

<pre>
    Reported against FreeBSD in https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277794 with a reproduction COFF file.

```
On a CURRENT system the assertion is triggered:

# objdump --version
LLVM (http://llvm.org/):
  LLVM version 17.0.6
  Optimized build with assertions.
...
# objdump -x objdump3d.exe
...
RELOCATION RECORDS FOR []:
OFFSET   TYPE VALUE
no symbol table pointer!
UNREACHABLE executed at /usr/src/contrib/llvm-project/llvm/lib/Object/COFFObjectFile.cpp:1300!
PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the crash backtrace.
Stack dump:
0.      Program arguments: objdump -x objdump3d.exe
 #0 0x0000000001230c41 PrintStackTrace /usr/src/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:602:13
 #1 0x000000000122f0b5 RunSignalHandlers /usr/src/contrib/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #2 0x0000000001231365 SignalHandler /usr/src/contrib/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:3
 #3 0x00000008243d95ff handle_signal /usr/src/lib/libthr/thread/thr_sig.c:0:3
 #4 0x00000008243d8bbb thr_sighandler /usr/src/lib/libthr/thread/thr_sig.c:244:1
 #5 0x0000000821ee52d3 ([vdso]+0x2d3)
 #6 0x000000082928b35a thr_kill /usr/obj/usr/src/amd64.amd64/lib/libsys/thr_kill.S:4:0
 #7 0x0000000827353014 _raise /usr/src/lib/libc/gen/raise.c:0:10
 #8 0x0000000827406589 abort /usr/src/lib/libc/stdlib/abort.c:67:17
 #9 0x000000000121537b (/usr/bin/objdump+0x121537b)
#10 0x0000000000f81059 (/usr/bin/objdump+0xf81059)
#11 0x0000000000dd74c4 operator bool /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Error.h:559:17
#12 0x0000000000dd74c4 getCOFFRelocationValueString /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/COFFDump.cpp:627:8
#13 0x0000000000e5f893 getRelocationValueString /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/llvm-objdump.cpp:0:12
#14 0x0000000000e5f22f getPtr /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Error.h:270:42
#15 0x0000000000e5f22f operator bool /usr/src/contrib/llvm-project/llvm/include/llvm/Support/Error.h:233:16
#16 0x0000000000e5f22f printRelocations /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/llvm-objdump.cpp:2235:19
#17 0x0000000000e6a596 dumpObject /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/llvm-objdump.cpp:2831:7
#18 0x0000000000e654b0 dumpInput /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/llvm-objdump.cpp:0:5
#19 0x0000000000e654b0 for_each<std::__1::__wrap_iter<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > *>, void (*)(llvm::StringRef)> /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/for_each.h:26:5
#20 0x0000000000e654b0 for_each<std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > &, void (*)(llvm::StringRef)> /usr/src/contrib/llvm-project/llvm/include/llvm/ADT/STLExtras.h:1731:10
#21 0x0000000000e654b0 main /usr/src/contrib/llvm-project/llvm/tools/llvm-objdump/llvm-objdump.cpp:3248:3
#22 0x00000008273280aa __libc_start1 /usr/src/lib/libc/csu/libc_start1.c:157:2
Abort (core dumped)
# objdump --version
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzEWM1u27oSfhp6M6hAkfrzwgvFsXAOkFsHTlrgrgxSomW2smiQVJqep78gJVty6ts0PQhquK4oDmc-fvPDYZgxsm6FWKD4BsW3M9bZvdILcWDGihlX1ffFRhyVtqICVjPZGguFFuLm4RZkC3trjwbRHJECkYJ3tQl2WghuqkDpun_1j2wahkhh9urblnd1UNYS0UJWiN6SNE3nEXyTdg8MtDhqVXWllaqF5booYCcbESB8i3A-_CZ4-PrhugUGy0-bzerjI5jvxooD2L0AZozQXo00YLWsa6FF5YBOdREKin-pusMRPnx4EtpI1fZTd3ef_wOIZG5_5-01zdNh2BYi87MyAC89rIcwDXCQnKbWRysP8h9RAe9kUw07PaEzw96CILgC6fn0SKtAPIsXopvV3XqZP_69_gib1XK9uX2AYr2B3o9ncOuieFg9AsDjf-9X8Dm_-7TqJ1oF5vuBqwYs442Ao5KtFRqRsJ__9HGzypd_5Td3KxDPoux8BFhApOiMdu7UJSJFqVqrJR_Y-XDU6oso7TB0__m5NR_eOqf2g8J5tjw6dkOK8dnu_d0qf1iB6fhBWmDAu9rFhdIWrHo93vp1iBTA2gpkWzZdJXxIlJqZPXBWfrWalaeoerCs_AqO5DNlOAD_udeq1uwATNfdQbTW2X3FOYAIxYCf8ekTEorLKIR7LVvrbT0647_H4kN3dDwgUnxq5bN7IeuWNSaQbYlonmDiyRyhhJdQyA7zGDZd26_7i7VVI7T5t2BOKAZn4tj9ZiMK8oKQkCYxXEB4FzowovmECzqiyEhEq3m828He298av_Alit5KI7ndu5d2rwWr-ge3IrhiJHphJOOcwyC_v77XX7FCoshxOtqJp3ZCIWJSUVeuUHzzVBnlCgC5wc-koq5QnZcl02VzknEaMw_vq2wm21f8ywuQ7FAlUeB_p5DNdzMgdQqCB0TzyJNytphOLaY0pjiMYKuZND_kwFmrG9SiRaTwcmeew4ne7EJvhJM4mwPjrkr8TK2xVT_2ol5zkjrV6ah6fhmuYUxT7rk96eWy7UnyVcPxPEiduXapd1EG8C4LcTx_RU0vdKHlIoNxVaVRGYE6Cs2s0sCV-iFqX8udoSSOL8Y0WmmtdLBHNI_j-YQVB4RcA1IL6wr6RjSqZO48-8yaTjxYLdv6rbisUo05zZ5Z8QfGbXc4DtUlIc5d2YiLXuAS8S6bU4frPTFNhwMuH59khBW9hEXIzsG6t28udr_kMJI6BNEEQXwNwftHDqHUUZGMQJJrQI7uPBx99OYz6Nc9Qwj1B9IkqdJLRAmL54lvAfrO5B2xZDRENJ-kVfYCShxx7KH83R67d0TioiUeYcyvwdgpvRWs3CO6NNb3zjTfbsPTwzfNjlvpWsZr85wZWW6NTztEl-WeaUSW8KOgm9lazaTrr3o5urouyhofL0qPguD_kXxY86Rk1RfZ3JVRknli_OK-AmzEzrfuq18_7aznsJ8fU6BE5MZ_i6cQkWK7ZU2ttLR754cTc31GJBdcE_xmrp9E2W_6j9L8uvAfjoJzNCS_Gwq_WQfz20dXDR_vVs9WM-O9HqY-1U89i3N8eM3xBybb90tzSqJs7FAdCHLZkJEMMwbbreuPtsYybcOfNlCl6YbBIO17qDB2p_Jw-ORDF5aVSgtfy0Q17Wn-35X7fLOfVQtazemczcQiTEOcxTil0Wy_CDklGY2qNAzDMsMVF4zgecRxmEZZWM1nckEwiTAN5yEJs5gEjJdJKkoWJxlNY1ahCIsDk01wusrPpDGdWGRxmtFZw7hojP9LCCGt-AZ-EhGC4tuZXnh-3ZUTRbiRxppRi5W2EYupA6BkLWiX0uBeb7vWD9xV2wcl-cn9mxAfsUsoWWdc29IwKzRYrTreiFmnm8XlPbiWdt_xoFSHyR3pMnT8VlzQ-K3-LwAA___ZWGny">