https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125366
Sam James <sjames at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |DUPLICATE
--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Michal Kowalewski from comment #0)
> Created attachment 64490 [details]
> differing files and logs
>
> I have tried to bootstrap GCC 16.1.0 with bootstrap-lto profile and
> additional flags, but the comparison fails with 2 files differing between
> stages. This is a regression compared to the 15.2.0 release, that correctly
> bootstraps with the exactly same flags and configuration, and on the same
> system.
>
> Recent log shows:
> Comparing stages 2 and 3
> Bootstrap comparison failure!
> gcc/gimple-match-5.o differs
> gcc/insn-recog-9.o differs
>
> stage3 xgcc -v:
> Using built-in specs.
> COLLECT_GCC=./xgcc
> Target: x86_64-pc-linux-gnu
> Configured with: ../gcc-src/configure --disable-multilib
> --enable-languages=c,c++,lto --with-build-config=bootstrap-lto
> --prefix=/home/urquelle/gcc
> Thread model: posix
> Supported LTO compression algorithms: zlib
> gcc version 16.1.0 (GCC)
>
> command line: make BOOT_CFLAGS='-O3 -march=native -flto -flto-partition=none
> -ftrivial-auto-var-init=uninitialized -fgraphite-identity
> -floop-nest-optimize -fno-semantic-interposition -fno-plt -s -fno-ident
> -fno-asynchronous-unwind-tables'
>
> system specs:
> WSL ubuntu 26.04, linux 6.6.114.1-microsoft-standard-WSL2, CPU i5-1350P
>
This CPU has hybrid cores (performance and efficiency). Pretty sure this is the
same as PR111768.
*** This bug has been marked as a duplicate of bug 111768 ***
