<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 --- - clang does not diagnose declaration of name inside class scope"
href="http://llvm.org/bugs/show_bug.cgi?id=19427">19427</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang does not diagnose declaration of name inside class scope
</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>
<tr>
<th>OS</th>
<td>Linux
</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>C++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nlewycky@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Testcase:
namespace ns {
class Module { };
}
namespace ns {
class Module;
class Foo {
Module *Module;
};
}
Clang issues no error. GCC says:
a.cc:9:11: error: declaration of ‘ns::Module* ns::Foo::Module’ [-fpermissive]
Module *Module;
^
a.cc:2:9: error: changes meaning of ‘Module’ from ‘class ns::Module’
[-fpermissive]
class Module { };
^
GCC is correct. This is invalid per [basic.scope.class]/1 bullet 2. This is
NDR, but gcc diagnoses it, and it shouldn't be inefficient for us to do the
same (we need to do a name lookup on newly declared names anyways).</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>