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<body><span class="vcard"><a class="email" href="mailto:hstong@ca.ibm.com" title="hstong@ca.ibm.com">hstong@ca.ibm.com</a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Trailing return type accepted, even though it should be rejected"
href="https://llvm.org/bugs/show_bug.cgi?id=30551">bug 30551</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">CC</td>
<td>
</td>
<td>hstong@ca.ibm.com
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Trailing return type accepted, even though it should be rejected"
href="https://llvm.org/bugs/show_bug.cgi?id=30551#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Trailing return type accepted, even though it should be rejected"
href="https://llvm.org/bugs/show_bug.cgi?id=30551">bug 30551</a>
from <span class="vcard"><a class="email" href="mailto:hstong@ca.ibm.com" title="hstong@ca.ibm.com">hstong@ca.ibm.com</a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=30551#c0">comment #0</a>)
<span class="quote">> I suspect the function definition should be rejected for it is ill-formed, t
> cannot be used with std::integral_constant that way.</span >
C++14 subclause 14.6 [name.res] paragraph 8:
If no valid specialization can be generated for a template, and that template
is not instantiated, the template is ill-formed, no diagnostic required.</pre>
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