https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84616
--- Comment #2 from michael at moekadu dot de --- Created attachment 43532 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43532&action=edit Preprocessed test-program Here the preprocessed test-programmed (g++ -Ieigen test.cpp -O3 -funsafe-math-optimizations -E > test_prep.cpp) Sorry, that I had to pack it to satisfy the file size limit.