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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - reference to local binding fails in enclosing function"
href="https://bugs.llvm.org/show_bug.cgi?id=49238">49238</a>
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<th>Summary</th>
<td>reference to local binding fails in enclosing function
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>11.0
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>FreeBSD
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++17
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>yuri@tsoft.com
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24549" name="attach_24549" title="testcase-clang.cpp">attachment 24549</a> <a href="attachment.cgi?id=24549&action=edit" title="testcase-clang.cpp">[details]</a></span>
testcase-clang.cpp
The attached testcase fails in clang++{9,10,11}:
<span class="quote">> testcase-clang.cpp:11:16: error: reference to local binding 'a' declared in enclosing function 'f'
> return a+b;
> ^
> testcase-clang.cpp:9:11: note: 'a' declared here
> auto [a, b] = newTuple();
> ^
> testcase-clang.cpp:11:18: error: reference to local binding 'b' declared in enclosing function 'f'
> return a+b;
> ^
> testcase-clang.cpp:9:14: note: 'b' declared here
> auto [a, b] = newTuple();
> ^
> 2 errors generated.</span >
It succeeds in gcc-10.</pre>
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