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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - basic streams may not be initialized early enough"
href="https://llvm.org/bugs/show_bug.cgi?id=28954">28954</a>
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<th>Summary</th>
<td>basic streams may not be initialized early enough
</td>
</tr>
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<th>Product</th>
<td>libc++
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<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>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>dsturtevant@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This is a bug that <a href="https://reviews.llvm.org/D12689">https://reviews.llvm.org/D12689</a> attempted to address.
The C++11 standard (Section 27.4.1.2) requires that basic streams be
initialized as if an inclusion of <iostream> statically defined an instance of
std::ios_base::Init.
The example given in the changelist:
#include <iostream>
class Foo {
public:
Foo(int n) {
std::cout << "Hello World - " << n << std::endl;
}
};
Foo f(5);
int main() {
return 0;
}
With the head version of libc++, this program may crash.</pre>
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