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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - sizeof on member of a nested class does not compile with error invalid use of non-static data member"
href="http://llvm.org/bugs/show_bug.cgi?id=21350">21350</a>
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<th>Summary</th>
<td>sizeof on member of a nested class does not compile with error invalid use of non-static data member
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.4
</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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>llvm@gyoo.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>In c++98 sizeof on a non-static struct member was not legal without an
instance. c++11 allow it.
It's working fine with struct but not with nested struct.
Here an example to trigger the problem:
#include <iostream>
struct Foo
{
int m_member;
struct Nested
{
int m_nestedMember;
};
Foo()
{
std::cout << sizeof(Foo::m_member); // Ok
std::cout << sizeof(Nested::m_nestedMember); // Bug in clang in c++11
mode: error: invalid use of non-static data member 'm_nestedMember'
}
};
int main()
{
Foo foo;
return 0;
}</pre>
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</p>
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