问Clang:编译c++预期成员名或“；”后声明说明符时出错

EN

$ cmake -DCMAKE_C_COMPILER:STRING="/usr/bin/clang-7" -DCMAKE_CXX_COMPILER:STRING="/usr/bin/clang++-7" -DCMAKE_C_FLAGS="-fPIC" -C../test-suite/cmake/caches/O3.cmake -DTEST_SUITE_SPEC2017_ROOT:STRING="../speccpu2017" ../test-suite
...
$ make
...
In file included from /home/speccpu2017/benchspec/CPU/526.blender_r/src/blender/source/blender/render/intern/raytrace/rayobject_qbvh.cpp:37:
In file included from /home/speccpu2017/benchspec/CPU/526.blender_r/src/blender/source/blender/render/intern/raytrace/vbvh.h:34:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/algorithm:61:
In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/bits/stl_algobase.h:63:

/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/ext/numeric_traits.h:63:25: error: expected member name or ';' after
      declaration specifiers
      static const bool __is_signed = __glibcxx_signed(_Value);
      ~~~~~~~~~~~~~~~~~ ^

/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/ext/numeric_traits.h:74:50: error: expected unqualified-id
    const bool __numeric_traits_integer<_Value>::__is_signed;
                                                 ^    
[Long error. Truncated for clarity]