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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Implicitly defined functions don't cause redefinition errors"
href="https://bugs.llvm.org/show_bug.cgi?id=34822">34822</a>
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<th>Summary</th>
<td>Implicitly defined functions don't cause redefinition errors
</td>
</tr>
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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>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>erich.keane@intel.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>See here: <a href="https://godbolt.org/g/ZhViUu">https://godbolt.org/g/ZhViUu</a>
int main(void) {
{int i = sizeof(foo());}
{extern int foo;}
}
Typically the 'extern int foo;' should cause a "error: redefinition of 'foo' as
different kind of symbol", however as a regression to 5.0, this no longer
happens.
Note that making it NOT an implicit declaration causes the error to fire
properly.</pre>
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