https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93440
--- Comment #3 from ikonomisma at googlemail dot com --- (In reply to Richard Biener from comment #2) > Hmm, I get > > /home/space/rguenther/install/gcc-9.2/include/c++/9.2.0/pstl/execution_defs. > h:155:7: error: no type named ‘type’ in ‘struct std::enable_if<false, int>’ > 155 | using __enable_if_execution_policy = > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > trying to compile this with the FSF 9.2.0 release. Well, as far as I understand there should be an overload without an execution policy, both https://en.cppreference.com/w/cpp/algorithm/transform_reduce and the n4659 c++ draft standard include it.
