0626 snap: rs6000-ibm-aix4.2.0.0: gcc/dwarf2out.c build failure

[Jason Merrill]

>>>>> Geoff Keating <geoffk@cygnus.com> writes:

 > Actually, dwarf2out assumes that if UNALIGNED_INT_ASM_OP is defined,
 > then ASM_OUTPUT_DWARF_* are defined.

I think you have this backwards; it used to assume that if
UNALIGNED_INT_ASM_OP was not defined, then ASM_OUTPUT_DWARF_* were not
defined.  I've fixed that now, so you can remove the U_I_A_O defn.

Jason