https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90627
--- Comment #10 from bogi788 at hotmail dot com --- (In reply to bogi788 from comment #8) > (In reply to Martin Liška from comment #6) > > Sorry, I can't reproduce that. Maybe you could test a vanilla GCC built from > > source files? > > This was on gcc 9.1 compiled from source on rhel7. I can't provide a docker > image, but I can try compiling gcc on an Arch Linux box. gcc 9.1.0 built from the same sources (using the same flags) on arch linux instead of rhel7 compiles the .c file without internal compiler error.