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<head>
<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - tuple api break"
href="https://llvm.org/bugs/show_bug.cgi?id=27684">27684</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>tuple api break
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>krejzi@email.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>With clang/libc++/libc++abi 3.9.0 (trunk 268575), I am no longer to build
webkitgtk on Linux. It appears that some recent changes to the tuple header
made this happen.
The code still compiles with clang/libc++/libc++abi 3.8.0 and gcc 6.1.0.
See also: <a href="https://bugs.webkit.org/show_bug.cgi?id=157382">https://bugs.webkit.org/show_bug.cgi?id=157382</a>
In file included from <built-in>:1:
In file included from
/sources/webkitgtk-2.12.2/Source/WebKit2/WebKit2Prefix.h:69:
In file included from /usr/bin/../include/c++/v1/algorithm:631:
/usr/bin/../include/c++/v1/type_traits:1331:59: error: incomplete type
'WebCore::IDBRequestData' used in type trait expression
: public integral_constant<bool, __is_base_of(_Bp, _Dp)> {};
^
/usr/bin/../include/c++/v1/type_traits:543:37: note: in instantiation of
template class 'std::__1::is_base_of<std::__1::allocator_arg_t,
WebCore::IDBRequestData>' requested
here
struct __lazy_and : __lazy_and_impl<_P1::type::value, _Pr...> {};
^
/usr/bin/../include/c++/v1/tuple:664:9: note: in instantiation of template
class 'std::__1::__lazy_and<std::__1::is_base_of<std::__1::allocator_arg_t,
WebCore::IDBRequestData>,
std::__1::__lazy_all<std::__1::__dependent_type<std::__1::is_default_constructible<const
WebCore::IDBRequestData &>, true>,
std::__1::__dependent_type<std::__1::is_default_constructible<const
WebCore::IDBObjectStoreInfo &>, true> > >' requested here
__lazy_and<
^
/usr/bin/../include/c++/v1/tuple:670:5: note: in instantiation of default
argument for 'tuple<WebCore::IDBRequestData, WebCore::IDBObjectStoreInfo,
true>' required here
tuple(_AllocArgT, _Alloc const& __a)
^~~~~
/sources/webkitgtk-build/DerivedSources/WebKit2/WebIDBConnectionToClientMessages.h:180:11:
note: while substituting deduced template arguments into function template
'tuple'
[with _AllocArgT = WebCore::IDBRequestData, _Alloc =
WebCore::IDBObjectStoreInfo, _Dummy = (no value), $3 = (no value)]
: m_arguments(requestData, info)
^
/sources/webkitgtk-2.12.2/Source/WebKit2/DatabaseProcess/IndexedDB/WebIDBConnectionToClient.h:40:7:
note: forward declaration of 'WebCore::IDBRequestData'
class IDBRequestData;</pre>
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