https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118802
--- Comment #8 from Sam James <sjames at gcc dot gnu.org> --- At least I can reproduce it consistently with: ``` cd /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libphobos/libdruntime # build stage2 gc /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage2-gcc/gdc -B/var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage2-gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/../lib/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -fchecking=1 -fversion=Shared -Wall -frelease -ffunction-sections -fdata-sections -fcf-protection -mshstk -fversion=CET -O2 -g -m32 -m32 -fpreview=dip1000 -fpreview=fieldwise -fpreview=dtorfields -nostdinc -I /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libphobos/libdruntime -I . -I$(pwd) -c /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libphobos/libdruntime/core/internal/gc/impl/conservative/gc.d -fPIC -fversion=Shared -o /tmp/stage2-gc.o -I /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage2-x86_64-pc-linux-gnu/libphobos/libdruntime/ # build stage3 gc /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage3-gcc/gdc -B/var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage3-gcc/ -B/usr/x86_64-pc-linux-gnu/bin/ -B/usr/x86_64-pc-linux-gnu/lib/../lib/ -B/usr/x86_64-pc-linux-gnu/lib/ -isystem /usr/x86_64-pc-linux-gnu/include -isystem /usr/x86_64-pc-linux-gnu/sys-include -fchecking=1 -fversion=Shared -Wall -frelease -ffunction-sections -fdata-sections -fcf-protection -mshstk -fversion=CET -O2 -g -fpreview=dip1000 -fpreview=fieldwise -fpreview=dtorfields -nostdinc -I /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libphobos/libdruntime -I . -I$(pwd) -c /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/gcc-15.0.9999/libphobos/libdruntime/core/internal/gc/impl/conservative/gc.d -fPIC -fversion=Shared -o /tmp/stage3-gc.o -I /var/tmp/portage.notmp/portage/sys-devel/gcc-15.0.9999/work/build/stage3-x86_64-pc-linux-gnu/libphobos/libdruntime/ # cmp # cmp /tmp/stage2-gc.o /tmp/stage3-gc.o ; echo $? /tmp/stage2-gc.o /tmp/stage3-gc.o differ: char 41, line 1 1 ```
