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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - 'error: parameter declarator cannot be qualified' on seemingly valid code"
href="https://bugs.llvm.org/show_bug.cgi?id=47316">47316</a>
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<th>Summary</th>
<td>'error: parameter declarator cannot be qualified' on seemingly valid code
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>10.0
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
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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
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<th>Component</th>
<td>C++14
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>slyfox@inbox.ru
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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>Original bug is observed on <a href="https://bugs.gentoo.org/739036">https://bugs.gentoo.org/739036</a> where
source-highlight was buildable by g++-10 and failed b clang++-10.
Reduced example:
namespace a {
enum c { d };
class e {
public:
e(c);
};
}; // namespace a
a::e f(a::e(a::d));
gcc succeeds to build the example, clang fails:
$ g++-10.2.0 -std=c++14 -c -o test_exception_main.o bug.cpp && echo OK || echo
FAIL
OK
$ clang++-10 -std=c++14 -c -o test_exception_main.o bug.cpp && echo OK || echo
FAIL
bug.cpp:10:16: error: parameter declarator cannot be qualified
a::e f(a::e(a::d));
~~~^
1 error generated.
FAIL
gcc bug, clang bug or known ambiguity? Looks like clang does not see a::d as an
enum value.</pre>
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