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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ICE on use of constexpr in lambda parameter type"
href="https://bugs.llvm.org/show_bug.cgi?id=48056">48056</a>
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<th>Summary</th>
<td>ICE on use of constexpr in lambda parameter type
</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>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++2a
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>ldalessandro@gmail.com
</td>
</tr>
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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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<p>
<div>
<pre>Forgive me, this one's a bit hard to describe and/or search for, so it's
possibly a duplicate.
<a href="https://godbolt.org/z/c1P9sr">https://godbolt.org/z/c1P9sr</a>
```
#include <array>
#include <utility>
struct Foo {
int n;
};
constexpr bool foo() {
constexpr std::array<Foo, 2> foos = { 1, 2 };
[&]<std::size_t... is>(std::index_sequence<is...>) {
([&](std::array<int, foos[is].n>) {}, ...);
}(std::make_index_sequence<size(foos)>());
return true;
}
static_assert(foo());
```</pre>
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