https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100494
--- Comment #2 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- I cannot reproduce on a cross configured with: ~/src/gcc/configure --target=x86_64-w64-mingw32 --enable-languages=c --disable-bootstrap I tried: ./cc1 sha1.i -quiet -mtune=generic -march=x86-64 -g -O2 -Wextra -Wall -Wwrite-strings -Wc++-compat -Wstrict-prototypes -Wshadow=local -Wpedantic -w It works in both the GCC 11 branch and trunk.