Someone

Automaton `athlon'
      518 NDFA states,           1668 NDFA arcs
      518 DFA states,            1668 DFA arcs
       76 minimal DFA states,     328 minimal DFA arcs
      274 all insns         10 insn equivalence classes
    0 locked states
  359 transition comb vector els,   760 trans table els: use simple vect
  760 min delay table els, compression factor 2

Automaton `athlon_load'
      162 NDFA states,            855 NDFA arcs
      162 DFA states,             855 DFA arcs
      162 minimal DFA states,     855 minimal DFA arcs
      274 all insns         10 insn equivalence classes
    0 locked states
 1047 transition comb vector els,  1620 trans table els: use simple vect
 1620 min delay table els, compression factor 2

Automaton `athlon_mult'
       16 NDFA states,             48 NDFA arcs
       16 DFA states,              48 DFA arcs
       16 minimal DFA states,      48 minimal DFA arcs
      274 all insns          4 insn equivalence classes
    0 locked states
   50 transition comb vector els,    64 trans table els: use simple vect
   64 min delay table els, compression factor 2

Automaton `athlon_fp'
    15522 NDFA states,          106308 NDFA arcs
    15522 DFA states,           106308 DFA arcs
      463 minimal DFA states,    3234 minimal DFA arcs
      274 all insns         22 insn equivalence classes
    0 locked states
 2983 transition comb vector els, 10186 trans table els: use comb vect
10186 min delay table els, compression factor 1

17533 all allocated states,     109061 all allocated arcs
33034 all allocated alternative states
 6182 all transition comb vector els, 17243 all trans table els
17243 all min delay table els
    0 all locked states

  transformation: 0.010998, building DFA: 2.029692
  DFA minimization: 0.448932, making insn equivalence: 0.000000
 all automaton generation: 2.599605, output: 0.056991
/var/tmp/paludis/sys-devel/gcc-4.2.0/work/gcc-4.2.0/gcc/recog.c: In function 'rest_of_handle_peephole2':
/var/tmp/paludis/sys-devel/gcc-4.2.0/work/gcc-4.2.0/gcc/recog.c:3460: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugs.gentoo.org/> for instructions.
The bug is not reproducible, so it is likely a hardware or OS problem.
make[3]: *** [recog.o] Error 1
make[2]: *** [all-stagefeedback-gcc] Error 2
make[1]: *** [stagefeedback-bubble] Error 2
make: *** [profiledbootstrap] Error 2

!!! ERROR in sys-devel/gcc-4.2.0:
!!! In gcc_do_make at line 3552
!!! emake failed with profiledbootstrap

!!! Call stack:
!!!    * gcc_do_make (/var/tmp/paludis/sys-devel/gcc-4.2.0/temp/loadsaveenv:3552)
!!!    * gcc_src_compile (/var/tmp/paludis/sys-devel/gcc-4.2.0/temp/loadsaveenv:3722)
!!!    * toolchain_src_compile (/var/tmp/paludis/sys-devel/gcc-4.2.0/temp/loadsaveenv:6001)
!!!    * src_compile (/var/tmp/paludis/sys-devel/gcc-4.2.0/temp/loadsaveenv:5543)
!!!    * ebuild_f_compile (/usr/libexec/paludis/src_compile.bash:51)
!!!    * ebuild_main (/usr/libexec/paludis/ebuild.bash:363)
!!!    * main (/usr/libexec/paludis/ebuild.bash:381)

die trap: exiting with error.