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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - win64 PECOFF .pdata unwind info generated incompatible with ms link.exe"
href="http://llvm.org/bugs/show_bug.cgi?id=22001">22001</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>win64 PECOFF .pdata unwind info generated incompatible with ms link.exe
</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>Windows NT
</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>Object
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>humeafo@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>Created <span class=""><a href="attachment.cgi?id=13585" name="attach_13585" title="reproduce using the ll file">attachment 13585</a> <a href="attachment.cgi?id=13585&action=edit" title="reproduce using the ll file">[details]</a></span>
reproduce using the ll file
This has been once reported, but was considered to be the same as <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Win64 binaries are undebuggable due to lack of pdata unwind info"
href="show_bug.cgi?id=19667">bug 19667</a>,
after the fix, I still encounter the same problem. Following steps can
reproduce the problem:
using msvc2013 x64 environment to build the llvm/clang trunk and then:
vcvars.bat //for x64 msvc tools env such as link.exe
llvm-as b.ll
clang b.bc
then ms link.exe complains:
b-1e6a24.o : fatal error LNK1223: invalid or corrupt file: file contains
invalid .pdata contributions
clang.exe: error: linker command failed with exit code 1223 (use -v to see
invocation)
see attachment for sample file.</pre>
</div>
</p>
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