https://bugs.llvm.org/show_bug.cgi?id=43985
Bug ID: 43985
Summary: Clang 9 build error
Product: clang
Version: 9.0
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: OpenMP
Assignee: unassignedclangb...@nondot.org
Reporter: itaru.kitay...@gmail.com
CC: llvm-bugs@lists.llvm.org
$ 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.
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