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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Poor diagnostic for misspelled constructor name"
href="http://llvm.org/bugs/show_bug.cgi?id=17567">17567</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Poor diagnostic for misspelled constructor name
</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>silvas@purdue.edu
</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>sean:~/tmp % cat test_diag.cpp
class Framebuffer {
FrameBuffer() {}
};
sean:~/tmp % g++ test_diag.cpp
test_diag.cpp:2:15: error: ISO C++ forbids declaration of ‘FrameBuffer’ with no
type [-fpermissive]
sean:~/tmp % clang++ test_diag.cpp
test_diag.cpp:2:3: error: C++ requires a type specifier for all declarations
FrameBuffer() {}
^~~~~~~~~~~
1 error generated.
The GCC diagnostic for this left me scratching my head for a couple minutes
("but it's a constructor, it doesn't need a return type ... <head scratching
and confusion> ... Ohhhh, I misspelled it"). It turns out that clang's
diagnostic isn't any better and would have provoked the same confusion. It
would be *much* better if we typo-correct constructor names in this case the
same way that we do for destructors:
sean:~/tmp % cat test_diag_dtor.cpp
class Framebuffer {
~FrameBuffer() {}
};
sean:~/tmp % g++ test_diag_dtor.cpp
test_diag.cpp:2:15: error: expected class-name before ‘(’ token
sean:~/tmp % clang++ test_diag_dtor.cpp
test_diag.cpp:2:4: error: expected the class name after '~' to name a
destructor
~FrameBuffer() {}
^~~~~~~~~~~
Framebuffer
1 error generated.</pre>
</div>
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