https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97451
Bug ID: 97451 Summary: [11 Regression] r11-3959 failed --with-build-config=bootstrap-cet Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com Target Milestone: --- On Linux/x86-64 with binutils 20201014 master branch, r11-3959 failed to bootstrap when configured with --enable-cet --with-demangler-in-ld --prefix=/usr/gcc-11.0.0-cet-x32 --with-local-prefix=/usr/local --enable-gnu-indirect-function --enable-clocale=gnu --with-system-zlib --with-target-system-zlib --with-fpmath=sse --with-multilib-list=m32,m64,mx32 --enable-linker-build-id --enable-gnu-unique-object --with-build-config=bootstrap-cet --with-multilib-list=m64,mx32,m32 --enable-languages=c,c++,fortran,lto,objc,obj-c++,go Bootstrap comparison failure! libiberty/lbasename.o differs x86_64-pc-linux-gnu/32/libstdc++-v3/libsupc++/eh_globals.o differs x86_64-pc-linux-gnu/libstdc++-v3/libsupc++/eh_globals.o differs x86_64-pc-linux-gnu/x32/libstdc++-v3/libsupc++/eh_globals.o differs make[4]: *** [Makefile:23878: compare] Error 1 [hjl@gnu-skx-1 build-x86_64-linux]$ cmp --ignore-initial=16 stage2-libiberty/lbasename.o stage3-libiberty/lbasename.o stage2-libiberty/lbasename.o stage3-libiberty/lbasename.o differ: byte 965, line 2 [hjl@gnu-skx-1 build-x86_64-linux]$ readelf -w stage2-libiberty/lbasename.o ... The Directory Table (offset 0x1c): 1 /tmp 2 /export/gnu/import/git/sources/gcc/libiberty 3 /export/gnu/import/git/sources/gcc/libiberty/../include The File Name Table (offset 0x87): Entry Dir Time Size Name 1 2 0 0 lbasename.c 2 3 0 0 safe-ctype.h 3 1 0 0 cccS9GKD.s This seems to come from assembly file.