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.
