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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - new[] with deduced size requires the type to be default-constructible"
href="https://bugs.llvm.org/show_bug.cgi?id=52063">52063</a>
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<th>Summary</th>
<td>new[] with deduced size requires the type to be default-constructible
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>12.0
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
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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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<th>Reporter</th>
<td>blckcat@inbox.ru
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
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<pre>Code:
struct A { A(int) {} };
int main() { new A[]{A(1),A(2),A(3)}; }
This produces following error:
error: no matching constructor for initialization of 'A'
note: candidate constructor not viable: requires 1 argument, but 0 were
provided
(more candidates explained here)
note: in implicit initialization of trailing array elements in
runtime-sized array new
Since the array size is known at compile-time, this looks like a bug. GCC &
MSVC accept this code.</pre>
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