[wanted] Test of GDB modifying a value in a register

[Michael Snyder]

Andrew Cagney wrote:
> 
> Hello,
> 
> In doing a further cleanup of the frame code, I discovered that the
> current testsuite isn't testing the codepaths that write a value in a
> register.
> 
> That is, things like:
> 
> (gdb) set $pc = 10
> register int i;
> (gdb) set i = 10;
> 
> Anyone interested in comming up with, or have a test case?


Well, $pc is the only one I can think of that we can count on
being defined on all targets -- and based on some past conversations
with you, I'm wondering if even that is a safe assumption?

Basically, we have almost no tests of register functionality, 
and yes it would be good if we did.