gdb patch for 64-bit enum values on 64-bit hosts (ia64-linux)

[Michael Snyder]

Andrew Cagney wrote:

> LONGEST is C's equivalent to ``long'' the longest type and can fit a
> CORE_ADDR.

Hmmm, no, LONGEST has nothing to do with a CORE_ADDR.
LONGEST is the largest integer type available in the compiler.
If the compiler supports (long long), then LONGEST is (long long).
Else it's usually long.  It's a convention for "gimme the biggest
int ya got".