Random compiler errors

[Stephen Hemminger <shemminger@vyatta.com>]

Not sure why this is happening, but lately when building kernels
I am getting non-reproducible cases of gcc failure. There are no
messages in system log. Cosmic rays? Bad memory?

  CC      arch/x86/kernel/xsave.o
  CC      arch/x86/kernel/ptrace.o
arch/x86/kernel/ptrace.c:1416: internal compiler error: Bus error
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.4/README.Bugs> for instructions.
make[2]: *** [arch/x86/kernel/ptrace.o] Error 1
make[1]: *** [arch/x86/kernel] Error 2
make: *** [arch/x86] Error 2

$ make
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  CC      arch/x86/kernel/ptrace.o
  CC      arch/x86/kernel/tls.o
  CC      arch/x86/kernel/step.o
  CC      arch/x86/kernel/tboot.o