https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81278
--- Comment #15 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (In reply to Martin Liška from comment #14) > Well, I've just noticed that the revision I identified is problematic > because of compilation errors like: > > /home/trippels/gcc_test/usr/local/include/c++/8.0.0/type_traits:143:12: > error: ‘value’ is not a member of > ‘std::is_constructible<llvm::DenseMapIterator<llvm::DIGlobalVariable*, > llvm::detail::DenseSetEmpty, llvm::MDNodeInfo<llvm::DIGlobalVariable>, > llvm::detail::DenseSetPair<llvm::DIGlobalVariable*>, false>, > llvm::DenseMapIterator<llvm::DIGlobalVariable*, llvm::detail::DenseSetEmpty, > llvm::MDNodeInfo<llvm::DIGlobalVariable>, > llvm::detail::DenseSetPair<llvm::DIGlobalVariable*>, false>&&>’ > > ... and not because of debug compare. > Can you please do a pre-processed file with a bit older compiler in order to > bisect over the revision? See above. Simply build LLVM trunk (release build) with gcc using GCC_COMPARE_DEBUG=1.
