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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang cannot distinguish declspec(property) of same property name but with different types (T &, T const &)"
href="https://llvm.org/bugs/show_bug.cgi?id=27070">27070</a>
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<th>Summary</th>
<td>clang cannot distinguish declspec(property) of same property name but with different types (T &, T const &)
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.8
</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>Frontend
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chenxuz@outlook.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>This happens on clang version 3.8.0-2ubuntu1 (tags/RELEASE_380/final)) on
xubuntu 16.04 beta, the code sample and compiler error is as follows. It is a
regression, since clang 3.6.2 could build this sample with no issue. Could you
please take a look? Thanks.
01 #include <iostream>
02 template <class T> class Foo {
03 public:
04 __declspec(property(get=get_Data)) T const& Data;
05 T const& get_Data() const { return data_; }
06 __declspec(property(get=get_Data)) T & Data;
07 T & get_Data() { return data_; }
08 private:
09 T data_;
10 };
11 void print(int const & val){ std::cout << val; }
12 int main(int argc, char** argv) {
13 Foo<int> foo;
14 print(foo.get_Data()); // compilation passed
15 print(foo.Data); // compilation failed
16 }
./foo.cpp:15:15: error: reference to 'Data' is ambiguous
print(foo.Data);
^
./foo.cpp:4:49: note: candidate found by name lookup is 'Foo<int>::Data'
__declspec(property(get=get_Data)) T const& Data;
^
./foo.cpp:6:44: note: candidate found by name lookup is 'Foo<int>::Data'
__declspec(property(get=get_Data)) T & Data;
^</pre>
</div>
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