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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Default arguments on declaration in inline namespace ignored"
href="https://bugs.llvm.org/show_bug.cgi?id=47682">47682</a>
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<th>Summary</th>
<td>Default arguments on declaration in inline namespace ignored
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>C++11
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>harald@gigawatt.nl
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<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<pre>When a function declared in an inline namespace is defined in an enclosing
namespace without the namespace qualifier, default arguments on the original
declaration are lost.
namespace N {
inline namespace N2 {
void f(int = 0);
}
}
void N::f(int) {}
void g() { N::f(); }
Changing the call to N::f(0) and looking at the generated assembly shows that
clang does treat the definition of f as a definition of N::N2::f.
Changing the definition to explicitly name N2, as in void N::N2::f(int) {},
does preserve the default argument.
GCC, MSVC and Intel all accept the code as is: <<a href="https://godbolt.org/z/G1a3q1">https://godbolt.org/z/G1a3q1</a>>.</pre>
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