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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -frewrite-includes doesn't handle Windows UTF-8 BOM"
href="http://llvm.org/bugs/show_bug.cgi?id=15664">15664</a>
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<th>Summary</th>
<td>-frewrite-includes doesn't handle Windows UTF-8 BOM
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Frontend
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>paul_robinson@playstation.sony.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>when Clang crashes, it will create a preprocessed file using
-frewrite-includes.
Unfortunately this does not strip byte-order marks from included headers.
(<a href="http://en.wikipedia.org/wiki/Byte_order_mark">http://en.wikipedia.org/wiki/Byte_order_mark</a>)
Attached bom.c is a regular text file, bom.h is encoded as UTF-8 with BOM.
C:\Data\scratch>clang -c bom.c
C:\Data\scratch>clang -E bom.c > bom-E.c
C:\Data\scratch>clang -c bom-E.c
C:\Data\scratch>clang -E -frewrite-includes bom.c > bom-E2.c
C:\Data\scratch>clang -c bom-E2.c
./bom.h:1:1: error: non-ASCII characters are not allowed outside of literals
and
identifiers
<U+FEFF>void foo();
^~~~~~~~
1 error generated.
C:\Data\scratch>clang --version
clang version 3.3 (178499)
Target: i686-pc-win32
Thread model: posix</pre>
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