[Bug bootstrap/59951] New: bootstrap comparison failure with -O3 for a week
dcb314 at hotmail dot com
gcc-bugzilla@gcc.gnu.org
Sun Jan 26 21:09:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59951
Bug ID: 59951
Summary: bootstrap comparison failure with -O3 for a week
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
With revision 207121, dated today 20140126, I tried a bootstrap
build with BOOT_CFLAGS="-g -O3".
It went wrong in the following way
Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
Bootstrap comparison failure!
gcc/bitmap.o differs
gcc/fortran/decl.o differs
gcc/bt-load.o differs
libiberty/pic/md5.o differs
libiberty/md5.o differs
make[2]: *** [compare] Error 1
make[2]: Leaving directory `/home/dcb/gcc/working'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/home/dcb/gcc/working'
make: *** [bootstrap] Error 2
real 75m53.471s
user 142m19.580s
sys 6m42.084s
Sun 26 Jan 21:02:51 GMT 2014
configure line is
../src/trunk/configure --prefix=/home/dcb/gcc/results --enable-checking=yes
--enable-languages=c,c++,fortran --disable-werror
Machine type is x86_64.
This also went wrong last Wednesday, 20140122 and last Sunday 20140119
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