[bug-diffutils] bug#77840: bug#77840: Testing diffutils 3.12 on PPC Mac OS X 10.4.11, Tiger, produces so many failures

[Paul Eggert]

There are lots of failures there, but unfortunately I don't have access 
to that old platform so you'll need to do some more digging to isolate 
the cause.

Let's look at the first failure.
echo a > a
echo b > b
diff a b

This doesn't generate the correct output. Can you run 'diff' under a 
debugger and see why?