https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66252
Bug ID: 66252
Summary: [6 regression] bootstrap comparison failures on
sparc-linux
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: mikpelinux at gmail dot com
Target Milestone: ---
Attempting to bootstrap gcc trunk on sparc64-linux with options to default to
32-bit code, fails with:
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
Bootstrap comparison failure!
gcc/ggc-page.o differs
gcc/tree-ssa-alias.o differs
gcc/gimple-streamer-in.o differs
gcc/host-linux.o differs
gcc/lto-streamer-in.o differs
gcc/builtins.o differs
gcc/expmed.o differs
gcc/ipa-inline-analysis.o differs
gcc/lto-cgraph.o differs
gcc/dwarf2out.o differs
gcc/ipa-cp.o differs
gcc/fold-const.o differs
gcc/df-core.o differs
gcc/ipa-prop.o differs
gcc/lra-spills.o differs
gcc/tree-streamer-in.o differs
gcc/ubsan.o differs
gcc/ipa-inline.o differs
gcc/calls.o differs
gcc/ifcvt.o differs
gcc/cgraph.o differs
gcc/asan.o differs
gcc/profile.o differs
gcc/expr.o differs
gcc/lra-eliminations.o differs
gcc/ipa-devirt.o differs
gcc/ipa-profile.o differs
gcc/lto-streamer.o differs
gcc/real.o differs
gcc/lra-constraints.o differs
gcc/reload.o differs
gcc/gcov-dump.o differs
gcc/gimple-fold.o differs
gcc/ggc-common.o differs
gcc/combine.o differs
gcc/tree-ssa-threadupdate.o differs
gcc/value-prof.o differs
gcc/gcc.o differs
gcc/statistics.o differs
gcc/sched-rgn.o differs
libbacktrace/dwarf.o differs
libcpp/expr.o differs
libdecnumber/decimal128.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/mnt/scratch/objdir'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir'
make: *** [bootstrap] Error 2
It appears to have going on for a while now, my last successful bootstrap of
trunk was with the 20150419 snapshot. Starting a bisection now.
Configured with:
/mnt/scratch/gcc-trunk-r223498/configure --prefix=/mnt/scratch/install6
--with-gmp=/home/mikpe/pkgs/linux-sparc64/gmp-6.0.0
--with-mpfr=/home/mikpe/pkgs/linux-sparc64/mpfr-3.1.2
--with-mpc=/home/mikpe/pkgs/linux-sparc64/mpc-1.0.3 --enable-multilib
--disable-plugin --disable-lto --disable-nls --enable-threads=posix
--enable-checking=release --disable-libmudflap --enable-languages=c,c++
--build=sparc-unknown-linux --target=sparc-unknown-linux --with-cpu=ultrasparc
--enable-targets=all --disable-libsanitizer
