[Bug bootstrap/49242] New: Bootstrap comparison failure

[Bug bootstrap/49242] New: Bootstrap comparison failure

[michael.a.richmond at nasa dot gov]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

           Summary: Bootstrap comparison failure
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: michael.a.richmond@nasa.gov
              Host: alpha-unknown-linux-gnu
            Target: alpha-unknown-linux-gnu
             Build: alpha-unknown-linux-gnu


gcc failed to bootstrap on an DEC alpha machine running Debian Linux 5.0:

Comparing stages 2 and 3
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/tree-ssa-loop-im.o differs
gcc/cfgexpand.o differs
gcc/ira-build.o differs
gcc/var-tracking.o differs
gcc/df-core.o differs
gcc/bb-reorder.o differs
gcc/reginfo.o differs
gcc/sel-sched-ir.o differs
gcc/df-problems.o differs
gcc/gimplify.o differs
gcc/tree.o differs
gcc/sparseset.o differs
gcc/tree-affine.o differs
gcc/varasm.o differs
gcc/cfgloopmanip.o differs
gcc/haifa-sched.o differs
gcc/loop-invariant.o differs
gcc/ipa-inline-analysis.o differs
gcc/build/genrecog.o differs
gcc/build/genautomata.o differs
gcc/build/genattrtab.o differs
gcc/build/genoutput.o differs
gcc/cselib.o differs
gcc/tree-into-ssa.o differs
gcc/bitmap.o differs
gcc/tree-eh.o differs
gcc/simplify-rtx.o differs
gcc/gimple-fold.o differs
gcc/tree-ssa-threadedge.o differs
gcc/calls.o differs
gcc/tree-ssa-copy.o differs
gcc/ipa-cp.o differs
gcc/tree-cfg.o differs
gcc/graphds.o differs
gcc/lto-symtab.o differs
gcc/ira-conflicts.o differs
gcc/loop-unswitch.o differs
gcc/c-decl.o differs
gcc/optabs.o differs
gcc/dwarf2asm.o differs
gcc/ddg.o differs
gcc/cse.o differs
gcc/tree-inline.o differs
gcc/stor-layout.o differs
gcc/cfgloop.o differs
gcc/langhooks.o differs
gcc/tree-vect-slp.o differs
gcc/cfglayout.o differs
gcc/cfghooks.o differs
gcc/dfp.o differs
gcc/dwarf2out.o differs
gcc/ifcvt.o differs
gcc/tree-sra.o differs
gcc/expr.o differs
gcc/recog.o differs
gcc/except.o differs
gcc/df-scan.o differs
gcc/tree-vect-patterns.o differs
gcc/tree-vect-loop.o differs
gcc/alpha.o differs
gcc/sched-rgn.o differs
gcc/function.o differs
gcc/tree-nested.o differs
gcc/ipa-prop.o differs
gcc/resource.o differs
gcc/builtins.o differs
gcc/tree-vrp.o differs
gcc/ira-lives.o differs
gcc/combine.o differs
gcc/tree-dfa.o differs
gcc/passes.o differs
gcc/cfg.o differs
gcc/sel-sched.o differs
gcc/lto/lto-object.o differs
gcc/lto/lto-lang.o differs
gcc/emit-rtl.o differs
gcc/expmed.o differs
gcc/tree-ssa-operands.o differs
gcc/tree-complex.o differs
gcc/tree-vect-stmts.o differs
gcc/pretty-print.o differs
gcc/sched-ebb.o differs
gcc/tree-ssa-forwprop.o differs
gcc/cfgrtl.o differs
gcc/ebitmap.o differs
gcc/sbitmap.o differs
gcc/ira-color.o differs
gcc/tree-ssa-loop-niter.o differs
gcc/tree-data-ref.o differs
gcc/loop-unroll.o differs
gcc/omega.o differs
gcc/tree-ssa-math-opts.o differs
gcc/tree-predcom.o differs
gcc/tree-ssa-loop-ivopts.o differs
gcc/fold-const.o differs
gcc/tree-ssa-structalias.o differs
gcc/tree-ssa-reassoc.o differs
gcc/tree-ssa-sccvn.o differs
gcc/gimple.o differs
gcc/c-family/c-format.o differs
gcc/c-family/c-common.o differs
gcc/fortran/resolve.o differs
gcc/fortran/trans-decl.o differs
gcc/fortran/trans-expr.o differs
gcc/fortran/trans-intrinsic.o differs
gcc/fortran/trans-types.o differs
gcc/fortran/expr.o differs
gcc/fortran/target-memory.o differs
gcc/fortran/trans-array.o differs
gcc/fortran/trans.o differs
gcc/fortran/intrinsic.o differs
gcc/fortran/interface.o differs
gcc/fortran/trans-openmp.o differs
gcc/fortran/simplify.o differs
gcc/fortran/trans-io.o differs
gcc/fortran/symbol.o differs
gcc/fortran/arith.o differs
gcc/fortran/array.o differs
gcc/c-parser.o differs
gcc/omp-low.o differs
gcc/lto-cgraph.o differs
gcc/opts.o differs
gcc/tree-ssa-dom.o differs
gcc/sched-deps.o differs
gcc/c-typeck.o differs
gcc/dominance.o differs
make[2]: *** [compare] Error 1

[Bug bootstrap/49242] Bootstrap comparison failure

[gerald at pfeifer dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

Gerald Pfeifer <gerald at pfeifer dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gerald at pfeifer dot com

--- Comment #1 from Gerald Pfeifer <gerald at pfeifer dot com> 2011-08-07 08:42:58 UTC ---
Are you still seeing this, Michael?

[Bug bootstrap/49242] Bootstrap comparison failure

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2011.08.08 09:59:50
     Ever Confirmed|0                           |1

[Bug bootstrap/49242] Bootstrap comparison failure

[michael.a.richmond at nasa dot gov]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

--- Comment #2 from Michael Richmond <michael.a.richmond at nasa dot gov> 2011-08-11 00:37:19 UTC ---
Yes

[Bug bootstrap/49242] Bootstrap comparison failure

[gerald at pfeifer dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

Gerald Pfeifer <gerald at pfeifer dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
   Last reconfirmed|2011-08-08 09:59:50         |2011-08-11 9:45

[Bug bootstrap/49242] Bootstrap comparison failure

[belyshev at depni dot sinp.msu.ru]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

Serge Belyshev <belyshev at depni dot sinp.msu.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |wrong-code
                 CC|                            |belyshev at depni dot
                   |                            |sinp.msu.ru

--- Comment #3 from Serge Belyshev <belyshev at depni dot sinp.msu.ru> 2011-10-13 19:00:32 UTC ---
May be related to bug 50709.

Michael, did you use --disable-checking configure option?

[Bug bootstrap/49242] Bootstrap comparison failure

[michael.a.richmond at nasa dot gov]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

--- Comment #4 from Michael Richmond <michael.a.richmond at nasa dot gov> 2011-10-14 12:13:54 UTC ---
(In reply to comment #3)
> May be related to bug 50709.
> 
> Michael, did you use --disable-checking configure option?

I used --enable-checking=release

[Bug bootstrap/49242] Bootstrap comparison failure

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49242

Richard Henderson <rth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rth at gcc dot gnu.org
         Resolution|---                         |WORKSFORME

--- Comment #5 from Richard Henderson <rth at gcc dot gnu.org> ---
This has been fixed sometime in the past 4 years.
I certainly haven't had a problem bootstrapping.