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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Using single invalid format specifier for printf/scanf should trigger -Wformat-extra-args warning."
href="https://bugs.llvm.org/show_bug.cgi?id=43051">43051</a>
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<th>Summary</th>
<td>Using single invalid format specifier for printf/scanf should trigger -Wformat-extra-args warning.
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</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>
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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
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<th>Reporter</th>
<td>yuanfang.chen@sony.com
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>Currently, only using two or more invalid format specifiers triggers the
warning. This is not consistent.
clang
<a href="https://gcc.godbolt.org/z/B0faBq">https://gcc.godbolt.org/z/B0faBq</a>
<a href="https://gcc.godbolt.org/z/BRicqP">https://gcc.godbolt.org/z/BRicqP</a>
msvc
<a href="https://gcc.godbolt.org/z/Sjv3zY">https://gcc.godbolt.org/z/Sjv3zY</a>
<a href="https://gcc.godbolt.org/z/l_IxSC">https://gcc.godbolt.org/z/l_IxSC</a>
gcc
<a href="https://gcc.godbolt.org/z/eFguIe">https://gcc.godbolt.org/z/eFguIe</a>
<a href="https://gcc.godbolt.org/z/ycs8Pb">https://gcc.godbolt.org/z/ycs8Pb</a>
scanf gcc
<a href="https://gcc.godbolt.org/z/2fPYHi">https://gcc.godbolt.org/z/2fPYHi</a>
<a href="https://gcc.godbolt.org/z/m_pNrY">https://gcc.godbolt.org/z/m_pNrY</a></pre>
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</p>
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