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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 causes -Wunused-macros false positives"
href="http://llvm.org/bugs/show_bug.cgi?id=15614">15614</a>
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<th>Summary</th>
<td>-frewrite-includes causes -Wunused-macros false positives
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.2
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>Linux
</td>
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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>-New Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>l.lunak@suse.cz
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>$ cat a.cpp
#define FOO 1
int foo = FOO;
$ clang++ -Wunused-macros -E -frewrite-includes a.cpp
a.cpp:1:9: warning: macro is not used [-Wunused-macros]
#define FOO 1
^
# 1 "a.cpp" 1
#define FOO 1
int foo = FOO;
1 warning generated.
The warning should not be emitted, just like other warnings are not emitted in
-frewrite-includes mode.</pre>
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