https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94937
--- Comment #6 from Christoph <foss at grueninger dot de> --- Created attachment 48435 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48435&action=edit Command line and output Sorry, I wasn't aware that I at some point deleted the file. Just to be sure, here my command: > cd > /home/kiko/dune/complete/dumux/build-cmake/test/multidomain/boundary/stokesdarcy/1p2c_1p2c > && /usr/bin/g++-10 -v -save-temps -DENABLE_SUITESPARSE=1 -DENABLE_SUPERLU=1 > -DENABLE_TBB=1 -DENABLE_UG=1 -DHAVE_CONFIG_H -DUG_USE_NEW_DIMENSION_DEFINES > -D_TBB_CPP0X -I/home/kiko/dune/complete/dumux/build-cmake > -I/home/kiko/dune/complete/dumux -I/usr/include/python3.6m > -I/home/kiko/dune/complete/dune-common > -I/home/kiko/dune/complete/dune-geometry > -I/home/kiko/dune/complete/dune-uggrid > -I/home/kiko/dune/complete/dune-typetree -I/home/kiko/dune/complete/dune-istl > -I/home/kiko/dune/complete/dune-grid > -I/home/kiko/dune/complete/dune-localfunctions > -I/home/kiko/dune/complete/dune-functions > -I/home/kiko/dune/complete/dune-alugrid > -I/home/kiko/dune/zusatz/metis-5.1.0/include -I/usr/include/suitesparse > -std=c++17 -Wall -Wunused -Wmissing-include-dirs -Wcast-align > -Wno-sign-compare -Wno-cast-align -Wall -pedantic > -Wno-inconsistent-missing-override -O2 -Wno-unused-parameter > -fno-strict-aliasing -fstrict-overflow -g -fext-numeric-literals -fPIE -o > CMakeFiles/test_md_boundary_darcy1p2c_stokes1p2c.dir/main.cc.o -c > /home/kiko/dune/complete/dumux/test/multidomain/boundary/stokesdarcy/1p2c_1p2c/main.cc