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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Missing diagnostic when using dependent base class via template alias with dummy parameter."
href="https://bugs.llvm.org/show_bug.cgi?id=47435">47435</a>
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<th>Summary</th>
<td>Missing diagnostic when using dependent base class via template alias with dummy parameter.
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++17
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>anders.granlund.0@gmail.com
</td>
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>Consider the following c++ program:
class A
{
protected:
int x;
};
template<typename X>
using B = A;
template<typename T>
class C : public B<T>
{
public:
void f()
{
x = 0;
}
};
int main()
{
}
Compile it with "-std=c++17 -pedantic-errors".
Since the base class is dependent the name lookup of x should fail and an error
message should be outputed during compilation, but no error message was
outputed. Note that gcc correctly outputs an error message.</pre>
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