<html>
<head>
<base href="http://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - std::array is unable to be brace-initialized/universally initialized"
href="http://llvm.org/bugs/show_bug.cgi?id=19192">19192</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>std::array is unable to be brace-initialized/universally initialized
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>3.3
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Macintosh
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mjbshaw@hotmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>After a Q&A on StackOverflow[1], it seems there is a bug in libc++ (though I
suppose it could be in the clang front end instead of libc++; I'm assuming
libc++) that prevents std::array from being brace-initialized. Consider the
following:
std::array<int, 2> a = {1, 2};
std::array<int, 2> b{a}; // error: no viable conversion from 'std::array<int,
2>' to 'value_type' (aka 'int')
std::array<int, 2> b(a); // works
b{a} is trying to initialize b by creating an initializer list with a in it, as
opposed to using brace/universal initialization (which would be equivalent to
b(a), which works as expected).
[1]:
<a href="http://stackoverflow.com/questions/22495624/why-does-this-compile-with-visual-studio-2013-but-not-g-4-8-1">http://stackoverflow.com/questions/22495624/why-does-this-compile-with-visual-studio-2013-but-not-g-4-8-1</a></pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>