<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 --- - Symbol information not propagated from base to derived symbol"
   href="http://llvm.org/bugs/show_bug.cgi?id=19145">19145</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Symbol information not propagated from base to derived symbol
          </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>Linux
          </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>MC
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>rafael.espindola@gmail.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>Given

        .data
        .global bar
        .type bar, object
bar:
        .long 42
        .size bar, 4
        .global zed
zed = bar + 1


gas produces

  Symbol {
    Name: zed (5)
    Value: 0x1
    Size: 4
    Binding: Global (0x1)
    Type: Object (0x1)
    Other: 0
    Section: .data (0x2)
  }

and MC produces

  Symbol {
    Name: zed (5)
    Value: 0x1
    Size: 0
    Binding: Global (0x1)
    Type: None (0x0)
    Other: 0
    Section: .data (0x2)
  }

Note that gas copies Size and Type and we don't.

gas allows type to be overridden, but not size.

I am not sure how much of this is a bug is gas and how much is a bug in MC. I
will report a bug on binutils to start a discussion.</pre>
        </div>
      </p>
      <hr>
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