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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Unjustified vexing-parse"
href="http://llvm.org/bugs/show_bug.cgi?id=15156">15156</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Unjustified vexing-parse
</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>
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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>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>peter_ll@pgrz.de
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>clang version 3.3 (trunk 173433)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Hi
Compiling the following code results in a warning.
struct C
{
C(int) {};
};
struct D
{
D(C) {}
};
void a(int b)
{
D d( C(b) );
}
a.cpp:13:6: warning: parentheses were disambiguated as a function declaration
[-Wvexing-parse]
D d( C(b) );
^~~~~~~~
a.cpp:13:8: note: add a pair of parentheses to declare a variable
D d( C(b) );
^
( )
1 warning generated.
In my opinion there is no parse ambiguity because "b" names a concrete object.
I await the verdict of the language lawyers. ;)
Take care
Peter</pre>
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