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<body><span class="vcard"><a class="email" href="mailto:jonathan.sauer@gmx.de" title="jonathan.sauer@gmx.de">jonathan.sauer@gmx.de</a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - std::bind() seems to not pass placeholder arguments correctly when they are repeated"
href="http://llvm.org/bugs/show_bug.cgi?id=18721">bug 18721</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>INVALID
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - std::bind() seems to not pass placeholder arguments correctly when they are repeated"
href="http://llvm.org/bugs/show_bug.cgi?id=18721#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - std::bind() seems to not pass placeholder arguments correctly when they are repeated"
href="http://llvm.org/bugs/show_bug.cgi?id=18721">bug 18721</a>
from <span class="vcard"><a class="email" href="mailto:jonathan.sauer@gmx.de" title="jonathan.sauer@gmx.de">jonathan.sauer@gmx.de</a>
</span></b>
<pre>It seems that this isn't a bug, but intended behavior:
<<a href="http://stackoverflow.com/a/9945229">http://stackoverflow.com/a/9945229</a>>
<<a href="http://stackoverflow.com/a/10009750">http://stackoverflow.com/a/10009750</a>>
C.f. C++11 ยง20.8.9.1.2p10:
| if the value j of is_placeholder<TiD>::value is not zero, the argument is
| std::forward<Uj>(uj) and its type Vi is Uj&&;
By changing TestFunc's signature to
static void TestFunc(const shared_ptr<int>& xx, const shared_ptr<int>& yy) {
the original code works as expected.</pre>
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