http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58368
Bug ID: 58368
Summary: [4.9 regression] bootstrap comparison failure in
expr.o and i386.o on x86_64-linux
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: mikpe at it dot uu.se
Attempting to bootstrap gcc-4.9-20130908 (r202372) on x86_64-linux fails with:
make[3]: Leaving directory `/mnt/scratch/objdir49'
Comparing stages 2 and 3
warning: gcc/cc1obj-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
warning: gcc/cc1objplus-checksum.o differs
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/expr.o differs
gcc/i386.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/mnt/scratch/objdir49'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir49'
make: *** [bootstrap] Error 2
The previous weekly snapshot, 4.9-20130901, bootstrapped fine.
Configuration:
/mnt/scratch/gcc-4.9-20130908/configure --prefix=/mnt/scratch/install49
--with-gmp=/home/mikpe/pkgs/linux-x86_64/gmp-5.1.2
--with-mpfr=/home/mikpe/pkgs/linux-x86_64/mpfr-3.1.2
--with-mpc=/home/mikpe/pkgs/linux-x86_64/mpc-1.0.1 --disable-plugin
--disable-lto --disable-nls --enable-threads=posix --enable-checking=release
--disable-libmudflap --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go
