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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Overloaded method pointer's public/private access isn't resolved correctly"
href="https://bugs.llvm.org/show_bug.cgi?id=32898">32898</a>
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<th>Summary</th>
<td>Overloaded method pointer's public/private access isn't resolved correctly
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>4.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>russ.schaaf@superevilmegacorp.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>The following code fails to compile on clang 4.0.0 - it compiles with earlier
versions of clang, as well as several other compilers I've tried:
template<typename T, void(T::*pMethod)()>
void methodThunk() {}
// If this isn't a template function, the code compiles
template<typename Type>
void registerCallback(void(*fn)()) {}
class C
{
public:
// Commenting this overload out makes the code compile
void onUpdate(int i) {} // Unrelated overload, with no implementation
private:
void onUpdate() {} // This is the one I want to use for a template arg
void doSomething()
{
// ERROR IS HERE -------------------v
registerCallback<int>(&methodThunk<C, &C::onUpdate>);
}
};
Error is:
<source>:20:51: error: 'onUpdate' is a private member of 'C'
registerCallback<int>(&methodThunk<C, &C::onUpdate>);
~~~^~~~~~~~
<source>:20:32: note: while substituting explicitly-specified template
arguments into function template 'methodThunk'
registerCallback<int>(&methodThunk<C, &C::onUpdate>);
^
<source>:20:9: note: while substituting deduced template arguments into
function template 'registerCallback' [with Type = int]
registerCallback<int>(&methodThunk<C, &C::onUpdate>);
^
1 error generated.
Compiler exited with result code 1</pre>
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