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Subject: [Bug bootstrap/53197] New: [4.8 Regression] bootstrap failure on Linux/ia32
Date: Wed, 02 May 2012 18:13:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53197

             Bug #: 53197
           Summary: [4.8 Regression] bootstrap failure on Linux/ia32
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/ia32, revision 187054 gave

make[6]: Leaving directory `/export/gnu/import/git/gcc-test-ia32corei7/bld'
Comparing stages 2 and 3
warning: gcc/cc1obj-checksum.o differs
warning: gcc/cc1plus-checksum.o differs
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/tree-ssa-math-opts.o differs
gcc/tree-cfg.o differs
gcc/tree-emutls.o differs
gcc/tree-if-conv.o differs
gcc/tree-cfgcleanup.o differs
gcc/tree-ssa-live.o differs
gcc/tree-object-size.o differs
gcc/trans-mem.o differs
gcc/tree-sra.o differs
gcc/tree-inline.o differs
make[5]: *** [compare] Error 1

when configured with

--with-arch=corei7 --with-cpu=corei7 --prefix=/usr/local --enable-clocale=gnu
--with-system-zlib --enable-shared --with-demangler-in-ld i686-linux
--with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc

Revision 187051 is OK.