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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang allows invalid code with lambda expression move-assignment"
href="https://llvm.org/bugs/show_bug.cgi?id=23281">23281</a>
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<th>Summary</th>
<td>clang allows invalid code with lambda expression move-assignment
</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>All
</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>C++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ryan.burn@gmail.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The following code compiles in clang++ 3.7 but is rejected by gcc and intel
compiler.
#include <utility>
int main() {
auto f = [](int x) { return 7*x; };
using T = decltype(f);
T h(f);
h = std::move(f);
return 0;
}
Also, the standard seems to disallow it:
<a href="http://eel.is/c++draft/expr.prim.lambda#20">http://eel.is/c++draft/expr.prim.lambda#20</a> – lambdas have deleted copy
assignment. Also, <a href="http://eel.is/c++draft/class.copy#20">http://eel.is/c++draft/class.copy#20</a> says that means that
deleted copy assignment means there will be no move assignment.</pre>
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