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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang doesn't allow constexpr values of user-defined literal types to be used in lambdas without being captured"
href="https://bugs.llvm.org/show_bug.cgi?id=38962">38962</a>
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<th>Summary</th>
<td>Clang doesn't allow constexpr values of user-defined literal types to be used in lambdas without being captured
</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>Windows NT
</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
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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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</tr>
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<th>Reporter</th>
<td>heavenandhell171@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Tests taken from: <a href="https://github.com/SephDB/constexpr-format#compiler-support">https://github.com/SephDB/constexpr-format#compiler-support</a>
void testNativeLiteralType() {
//Compiles fine
constexpr int n = 0;
auto D = []{return n;};
constexpr auto x = D();
}
//Obviously literal type
struct A {
int a = 0;
};
void testNonNativeLiteralType() {
//Doesn't compile on clang
constexpr auto n = A{};
auto D = []{return n;};
constexpr auto x = D();
}
Clang: <a href="https://godbolt.org/z/ECxj4p">https://godbolt.org/z/ECxj4p</a>
GCC: <a href="https://godbolt.org/z/aTiqrx">https://godbolt.org/z/aTiqrx</a></pre>
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