8-byte register values on a 32-bit machine

[Michael Elizabeth Chastain]

andrew> Right, so it can't be assumed that `the general case of
andrew> 2-word structs in 5.3 was broken'.

It can't be assumed that they worked in 5.3, either.

In gdb HEAD, last time I looked, the dwarf2 code fetched only one word
from the target.  So with gdb HEAD I believe they are broken on ALL
architectures, unless Daniel has fixed them in the past week.

Michael C