[RFA/testsuite] Cleanup pending breakpoints

[Keith Seitz]

On 04/26/2013 10:44 AM, Pedro Alves wrote:
> If in the end, there's no use in the tree for an "allow-pending"
> option that allows pending but doesn't fail with a regular
> non-pending breakpoint, in addition to a new "pending" option that
> _requires_ pending, then I'd rather eliminate "allow-pending".

Right, that's what I meant -- remove "allow-pending" and add "pending". 
I suggest for the immediate time, we/I introduce "pending" (i.e, fail if 
regular BP set), and then we/I can go back and take a look at all the 
users of allow-pending and ascertain whether they would work (or were 
supposed to work) if a normal breakpoint was set.

 From the dozen cases or two that I've already looked at (or written), 
all were really of the required type not optional type, i.e., the test 
was written specifically for a pending breakpoint; a regular breakpoint 
would break the test.

Keith