On Sun, 13 Oct 2019 at 19:31, sotrdg sotrdg <euloa...@live.com> wrote: > > https://github.com/euloanty/fast_io/blob/master/examples/0036.concepts_check/iostrm.cc > > > > cqwrteur@DESKTOP-7H7UHQ9:/mnt/d/hg/fast_io/examples/build$ ninja > [1/2] Building CXX object > CMakeFiles/iostrm.dir/0036.concepts_check/iostrm.cc.o > FAILED: CMakeFiles/iostrm.dir/0036.concepts_check/iostrm.cc.o > /usr/local/bin/c++ -O3 -DNDEBUG -fconcepts -ffast-math -Wall -Wextra > -std=gnu++2a -MD -MT CMakeFiles/iostrm.dir/0036.concepts_check/iostrm.cc.o > -MF CMakeFiles/iostrm.dir/0036.concepts_check/iostrm.cc.o.d -o > CMakeFiles/iostrm.dir/0036.concepts_check/iostrm.cc.o -c > ../0036.concepts_check/iostrm.cc > ../0036.concepts_check/iostrm.cc: In function ‘int main()’: > ../0036.concepts_check/iostrm.cc:8:51: error: deduced initializer does not > satisfy placeholder constraints > 8 | fast_io::stream auto fin(std::ifstream("abc.txt")); > | ^ > ../0036.concepts_check/iostrm.cc:8:51: note: constraints not satisfied > c++: internal compiler error: Segmentation fault signal terminated program > cc1plus > Please submit a full bug report, > with preprocessed source if appropriate. > See <https://gcc.gnu.org/bugs/> for instructions. > ninja: build stopped: subcommand failed.
This has nothing to do with libstdc++, and bugs should be reported to bugzilla not by sending email to the gcc-bugs list (which is for automated replies from bugzilla only). https://gcc.gnu.org/bugs/
