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<head>
<base href="https://bugs.llvm.org/">
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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 - Clang 9 build error"
href="https://bugs.llvm.org/show_bug.cgi?id=43985">43985</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang 9 build error
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>9.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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>OpenMP
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>itaru.kitayama@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>$ clang++ -fopenmp -fopenmp-targets=nvptx64 t1.cpp
In file included from t1.cpp:1:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/iostream:39:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/ostream:38:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/ios:42:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/ios_base.h:41:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/locale_classes.h:40:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/string:52:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/basic_string.h:6159:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/ext/string_conversions.h:41:
In file included from
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/cstdlib:77:
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/std_abs.h:70:3:
error: declaration conflicts with target of using declaration already in scope
abs(double __x)
^
/gpfs/software/opt/llvm+clang/9.0.0/lib/clang/9.0.0/include/__clang_cuda_math_forward_declares.h:50:25:
note: target of using declaration
__DEVICE__ const double abs(const double);
^
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/std_abs.h:52:11:
note: using declaration
using ::abs;
^
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/std_abs.h:74:3:
error: declaration conflicts with target of using declaration already in scope
abs(float __x)
^
/gpfs/software/opt/llvm+clang/9.0.0/lib/clang/9.0.0/include/__clang_cuda_math_forward_declares.h:51:24:
note: target of using declaration
__DEVICE__ const float abs(const float);
^
/gpfs/software/opt/gcc/7.2.0/lib/gcc/powerpc64le-unknown-linux-gnu/7.2.0/../../../../include/c++/7.2.0/bits/std_abs.h:52:11:
note: using declaration
using ::abs;
^
2 errors generated.
Reproducer is attached.</pre>
</div>
</p>
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