https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691
--- Comment #1 from Alistair <alistair at alistair23 dot me> --- The full command line is: gcc clnt_udp.c -c -std=gnu11 -fgnu89-inline -O2 -Wall -Wwrite-strings -Wundef -Werror -fmerge-all-constants -frounding-math -fno-stack-protector -Wstrict-prototypes -Wold-style-definition -fmath-errno -fPIC -ftls-model=initial-exec -I../include -I/scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build/sunrpc -I/scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build -I../sysdeps/unix/sysv/linux/riscv/rv32 -I../sysdeps/unix/sysv/linux/riscv -I../sysdeps/riscv/nptl -I../sysdeps/unix/sysv/linux/generic/wordsize-32 -I../sysdeps/unix/sysv/linux/generic -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 -I../sysdeps/posix -I../sysdeps/riscv/rv32/rvd -I../sysdeps/riscv/rv32/rvf -I../sysdeps/riscv/rvf -I../sysdeps/riscv/rvd -I../sysdeps/riscv/rv32 -I../sysdeps/riscv -I../sysdeps/init_array -I../sysdeps/ieee754/ldbl-128 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/wordsize-32 -I../sysdeps/ieee754 -I../sysdeps/generic -I.. -I../libio -I. -nostdinc -isystem /scratch/alistair/software/tier3/buildroot/output/host/lib/gcc/riscv32-buildroot-linux-gnu/8.3.0/include -isystem /scratch/alistair/software/tier3/buildroot/output/host/lib/gcc/riscv32-buildroot-linux-gnu/8.3.0/include-fixed -isystem /scratch/alistair/software/tier3/buildroot/output/host/riscv32-buildroot-linux-gnu/sysroot/usr/include -D_LIBC_REENTRANT -include /scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build/libc-modules.h -DMODULE_NAME=libc -include ../include/libc-symbols.h -DPIC -DSHARED -DTOP_NAMESPACE=glibc -o /scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build/sunrpc/compat-clnt_udp.os -MD -MP -MF /scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build/sunrpc/compat-clnt_udp.os.dt -MT /scratch/alistair/software/tier3/buildroot/output/build/glibc-custom/build/sunrpc/compat-clnt_udp.os -DEXPORT_RPC_SYMBOLS
