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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - auto type of variables can not compile"
href="https://bugs.llvm.org/show_bug.cgi?id=47248">47248</a>
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<th>Summary</th>
<td>auto type of variables can not compile
</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>enhancement
</td>
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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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<th>Reporter</th>
<td>tangyixuan@mail.dlut.edu.cn
</td>
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
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<pre>The following code is valid in GCC, Clang rejects it:
$ cat s.C
#include <iostream>
auto add(auto a, auto b) { return a + b;}
int main()
{
std::cout
<< add(3.5, 4) << "\n"
<< add(3, 4.5) << "\n";
}
$ clang++ -c s.C
s.C:3:10: error: 'auto' not allowed in function prototype
auto add(auto a, auto b) { return a + b;}
^~~~
s.C:3:18: error: 'auto' not allowed in function prototype
auto add(auto a, auto b) { return a + b;}
^~~~
2 errors generated.</pre>
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