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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - diagnostics missing from -Wc++-compat"
href="http://llvm.org/bugs/show_bug.cgi?id=21524">21524</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>diagnostics missing from -Wc++-compat
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<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>richard-llvm@metafoo.co.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>From <a href="http://lists.cs.uiuc.edu/pipermail/cfe-dev/2014-November/039875.html">http://lists.cs.uiuc.edu/pipermail/cfe-dev/2014-November/039875.html</a>
clang doesn't print warning for following test-case:
compiled with: clang -fsyntax-only -Wc++-compat
int new;
struct A
{
struct B
{
int x;
}bs;
int y;
};
struct B b;
gcc -fsyntax-only -Wc++-compat prints following warnings (gcc-4.9.1 ubuntu):
t.c:1:5: warning: identifier ‘new’ conflicts with C++ keyword [-Wc++-compat]
int new;
^
t.c:13:8: warning: struct defined in struct or union is not visible in
C++ [-Wc++-compat]
struct B b;
^
t.c:5:10: note: struct defined here
struct B
^</pre>
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