https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84172
--- Comment #5 from Andreas Otto <aotto1...@t-online.de> --- Created attachment 43320 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43320&action=edit output of command you requested… gcc-5 -march=native -mtune=native -g -static -O3 -o test.3 main.c -v