https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83047
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- markus@x4 crypt % gcc --save-temps crypt_util.c -c -std=gnu11 -O2 -Wall -Wundef -Wwrite-strings -fmerge-all-constants -fno-stack-protector -frounding-math -g -pipe -Wstrict-prototypes -Wold-style-definition -fPIC -I../include -I/var/tmp/glibc-build/crypt -I/var/tmp/glibc-build -I../sysdeps/unix/sysv/linux/x86_64/64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86 -I../sysdeps/x86/nptl -I../sysdeps/unix/sysv/linux/wordsize-64 -I../sysdeps/x86_64/nptl -I../sysdeps/unix/sysv/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl -I../sysdeps/pthread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/64 -I../sysdeps/x86_64/fpu -I../sysdeps/x86/fpu/include -I../sysdeps/x86/fpu -I../sysdeps/x86_64 -I../sysdeps/x86 -I../sysdeps/ieee754/float128 -I../sysdeps/ieee754/ldbl-96/include -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64/wordsize-64 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/x86_64-pc-linux-gnu/8.0.0/include -isystem /usr/lib/gcc/x86_64-pc-linux-gnu/8.0.0/include-fixed -isystem /usr/include -D_LIBC_REENTRANT -include /var/tmp/glibc-build/libc-modules.h -DMODULE_NAME=libcrypt -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /var/tmp/glibc-build/crypt/crypt_util.os -MD -MP -MF /var/tmp/glibc-build/crypt/crypt_util.os.dt -MT /var/tmp/glibc-build/crypt/crypt_util.os