Fix bug in MatrixFree setup for FE_Nothing #15430
Merged
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It turns out that we did not carefully check whether
ndofs > 0
in the relevant code. I checkedelement_birth_and_death_01
with valgrind and they now run without errors.@tamiko: Could you please run all
matrix_free
tests with your libstdc++ and assertions enabled to see if these are all bugs?Fixes #15426.
FYI @peterrum @sebproell
In reference to #15383