https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101398
--- Comment #2 from Will Cohen <wcohen at redhat dot com> --- Created attachment 51141 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51141&action=edit The uv_irq.i file The uv_irq.i file was created from 98f7fdced2e0efb1599a37b3e57671a7884f3a25 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git on Fedora 34 using gcc-11.1.1-3.fc34.x86_64 using the following command in the top-level directory of the Linux kenrel source: gcc -Wp,-MMD,arch/x86/platform/uv/.uv_irq.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-redhat-linux/11/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/compiler-version.h -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -fmacro-prefix-map=./= -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -fcf-protection=none -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -fno-jump-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-format-truncation -Wno-format-overflow -Wno-address-of-packed-member -O2 -fno-allow-store-data-races -Wframe-larger-than=2048 -fstack-protector -Wimplicit-fallthrough -Wno-unused-but-set-variable -Wno-unused-const-variable -fno-stack-clash-protection -g -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-stringop-truncation -Wno-zero-length-bounds -Wno-array-bounds -Wno-stringop-overflow -Wno-restrict -Wno-maybe-uninitialized -fno-strict-overflow -fno-stack-check -fconserve-stack -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Wno-packed-not-aligned -DKBUILD_MODFILE='"arch/x86/platform/uv/uv_irq"' -DKBUILD_BASENAME='"uv_irq"' -DKBUILD_MODNAME='"uv_irq"' -D__KBUILD_MODNAME=kmod_uv_irq -c -o arch/x86/platform/uv/uv_irq.o arch/x86/platform/uv/uv_irq.c -save-temps
