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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 --- - dependency-dump.m fails with super-long pathname"
href="http://llvm.org/bugs/show_bug.cgi?id=21482">21482</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>dependency-dump.m fails with super-long pathname
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</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>Modules
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paul_robinson@playstation.sony.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, 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=13291" name="attach_13291" title="repro script">attachment 13291</a> <a href="attachment.cgi?id=13291&action=edit" title="repro script">[details]</a></span>
repro script
Our internal Windows bots use some pretty long path names, and
something about how Modules works is tripping over them.
I've attached a .bat script that will repro this failure outside of
the lit framework; that makes it easy to manipulate the length of the
directory name passed to -fmodules-cache-path and -module-dependency-dir.
As attached, the script causes FileCheck to fail as follows:
e:\upstream\llvm\tools\clang\test\Modules\dependency-dump.m:9:9: error:
expected
string not found in input
// VFS: 'name': "SubFramework.h"
^
e:\cmplr\scratch\incredible-ridiculously-long-directory-component\incredible-rid
iculously-long-directory-component\123456789012345678901\vfs\vfs.yaml:1:1:
note:
scanning from here
{
^
e:\cmplr\scratch\incredible-ridiculously-long-directory-component\incredible-rid
iculously-long-directory-component\123456789012345678901\vfs\vfs.yaml:26:2:
note
: possible intended match here
'name': "Sub.h",
^
But, if you make that directory name 1 character shorter, it passes.</pre>
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