<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </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 - error("misaligned ldr/str offset") on aarch64-windows build"
   href="https://bugs.llvm.org/show_bug.cgi?id=39228">39228</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>error("misaligned ldr/str offset") on aarch64-windows build
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>lld
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>COFF
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>dmajor@mozilla.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, martin@martin.st
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=20979" name="attach_20979" title="repro.zip">attachment 20979</a> <a href="attachment.cgi?id=20979&action=edit" title="repro.zip">[details]</a></span>
repro.zip

We're hitting a case where `Size` is 8 but `Imm` ends with hex digit 4 at
<a href="https://github.com/llvm-mirror/lld/blob/1b68a4c56aee3d9008dd08e8bbc49e314a12b592/COFF/Chunks.cpp#L247">https://github.com/llvm-mirror/lld/blob/1b68a4c56aee3d9008dd08e8bbc49e314a12b592/COFF/Chunks.cpp#L247</a>

This happens with cl.exe as the compiler, as we can't yet build with clang-cl
due to missing support of <a href="https://reviews.llvm.org/D51204">https://reviews.llvm.org/D51204</a>. Under link.exe these
files link without any errors. I'm assuming that means that lld-link ought to
handle it too.

Hopefully the attached zip file has enough state to reproduce this, but let me
know if I've missed something.

lld-link.exe -NOLOGO -DLL -OUT:mozglue.dll -PDB:mozglue.pdb
-SUBSYSTEM:WINDOWS,6.02 -MACHINE:ARM64 @mozglue_dll.list ./module.res
-LARGEADDRESSAWARE -DEBUG -OPT:REF,ICF -DEF:mozglue.def -guard:cf
-DELAYLOAD:user32.dll -DELAYLOAD:crypt32.dll -DELAYLOAD:wintrust.dll
kernel32.lib user32.lib gdi32.lib winmm.lib wsock32.lib advapi32.lib
secur32.lib dbghelp.lib crypt32.lib version.lib wintrust.lib delayimp.lib

lld trunk r343990</pre>
        </div>
      </p>


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