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<body><span class="vcard"><a class="email" href="mailto:richard-llvm@metafoo.co.uk" title="Richard Smith <richard-llvm@metafoo.co.uk>"> <span class="fn">Richard Smith</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Failure to partially order constrained overload set of three parameters"
href="https://bugs.llvm.org/show_bug.cgi?id=44661">bug 44661</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>INVALID
</td>
<td>---
</td>
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<td style="text-align:right;">CC</td>
<td>
</td>
<td>saar@raz.email
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<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Failure to partially order constrained overload set of three parameters"
href="https://bugs.llvm.org/show_bug.cgi?id=44661#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Failure to partially order constrained overload set of three parameters"
href="https://bugs.llvm.org/show_bug.cgi?id=44661">bug 44661</a>
from <span class="vcard"><a class="email" href="mailto:richard-llvm@metafoo.co.uk" title="Richard Smith <richard-llvm@metafoo.co.uk>"> <span class="fn">Richard Smith</span></a>
</span></b>
<pre>Presumably the IFNDR is because the candidates are functionally equivalent but
not equivalent. That's easy to rectify:
template<typename>
concept c1 = true;
template<typename, typename>
concept c2 = true;
template<
c1 T1,
c2<int> T2,
c1 T3,
typename T4 = int
>
int f(T1, T2, T3, T4 = 0);
template<
c1 T1,
c2<int> T2,
typename T3
>
int f(T1, T2, T3);
... and Clang still reports this as ambiguous, which it isn't.</pre>
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