Re: infrun.c:2642: internal-error: insert_step_resume_breakpoint_at_sal: Assertion `step_resume_breakpoint == NULL' failed.

[Andrew Cagney <cagney@gnu.org>]

Andreas Schwab wrote:
> Andrew Cagney <ac131313@redhat.com> writes:
> 
> 
>>Andreas Schwab wrote:
>>
>>>I'm getting this assertion failure on ia64-linux when stepping after a
>>>breakpoint with a signal also being delivered.  Both calls to
>>>insert_step_resume_breakpoint_at_sal are coming from the two calls to
>>>insert_step_resume_breakpoint_at_frame in handle_inferior_event.  In both
>>>calls the actual address where the breakpoint is to be set is the same.  I
>>>haven't been able to come up with a small test case, this happens while
>>>debugging Emacs.
>>
>>The sig* tests check this edge case.
> 
> 
> Not this one.  There are only two failures, which are
> "gdb.base/sigstep.exp: finish from handleri; leave handler (timeout)" and
> "gdb.base/sigstep.exp: finish from handleri; leave signal trampoline", and
> neither are not due to internal errors.

The "step on breakpoint; ..." tests, based on your description, exercise 
just that senario.  They run to a breakpoint, wait for a signal to be 
come pending, and then try to step et.al.

Sounds like more is going on?

Andrew

Ref 1757, 1738