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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 --- - Access to static data member array initialized with template parameter is not a constant expression"
href="https://llvm.org/bugs/show_bug.cgi?id=31211">31211</a>
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<th>Summary</th>
<td>Access to static data member array initialized with template parameter is not a constant expression
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++14
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>r.hl@gmx.net
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>template <char C>
struct A {
static constexpr char arr[] = {C};
static constexpr auto c = *arr;
};
int main() {constexpr auto x = A<' '>::c;}
---
Fails, while it obviously shouldn't--the l-t-r conversion is fine as per
[expr.const]/(2.7.3), since we access a subobject of an object declared with
constexpr.</pre>
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