<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/56906>56906</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            lld-link needs to check /wholearchive archive for .res archive members. 
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          Neumann-A
      </td>
    </tr>
</table>

<pre>
    While compiling gtk i get:
```
[11/151] Linking target gtk/gtk-4-1.dll
FAILED: gtk/gtk-4-1.dll gtk/gtk-4-1.pdb
"E:/vcpkg_cache/downloads/tools/clang/clang-14.0.6/bin/lld-link.exe"  /MACHINE:x64 /OUT:gtk/gtk-4-1.dll  "-INCREMENTAL" "/nologo" "/DEBUG" "/PDB:gtk\gtk-4-1.pdb" "/DLL" "/IMPLIB:gtk\gtk-4.lib" "/WHOLEARCHIVE:gtk\libgtk.a" "/WHOLEARCHIVE:gtk/css\libgtk_css.a" "/WHOLEARCHIVE:gdk\libgdk.a" "/WHOLEARCHIVE:gsk\libgsk.a" "-machine:x64" "-debug" "/LIBPATH:E:/vcpkg_folders/llvm_test/installed/x64-windows/debug/lib" "gtk\libgtk.a" <snip>
lld-link: error: unknown file type: gtk_gtk-win32.res
```

doing:
`dumpbin gtk/libgtk.a /ARCHIVEMEMBERS`
yields:
`Archive member name at 15D6DE: /0              gtk_gtk-win32.res`

<Note>
A build with cl also has:
`Archive member name at 45BDF54: /18176          gtk\gtk_gtk-win32.res`
in the archive. So link seems to correctly handle this case while lld-link does not. 
</Note>

Problematic part:
` "/WHOLEARCHIVE:gtk\libgtk.a" `

According to
https://github.com/llvm/llvm-project/blob/e056e74ddae05eadac805c1798b80a214cc57d35/lld/COFF/Driver.cpp#L195-L205
and 
https://github.com/llvm/llvm-project/blob/e056e74ddae05eadac805c1798b80a214cc57d35/lld/COFF/Driver.cpp#L278-L286

a .res file in the archive is not handled yet. 
</pre>
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