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RE: [PATCH] btrace: avoid tp != NULL assertion

> -----Original Message-----
> From: [mailto:gdb-patches-
>] On Behalf Of Pedro Alves
> Sent: Tuesday, March 3, 2015 2:42 PM
> To: Metzger, Markus T
> Cc:
> Subject: Re: [PATCH] btrace: avoid tp != NULL assertion

> > No, that wasn't the reason for replacing the assert.  There are no such
> > errors in the gdb.btrace suite (which is mostly single-threaded) with my
> > patch and I have not seen any such errors otherwise, either.
> Then it sounds like we're either lacking basic tests, or the threaded tests
> are somehow not running correctly when gdb is a 32-bit program.  I think
> that if you step any non-leader thread, you should see it happen.
> Grepping the tests, I think gdb.btrace/multi-thread-step.exp should have
> caught it.  My machine doesn't do btrace, so I can't try it myself...
> BTW, did any existing test in the testsuite catch the assertion we're
> fixing?

Almost all of them when run on 32-bit systems; -m32 on 64-bit systems does
not catch this.

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