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Re: [PATCH]: Fix PR tree-optimization/21407
On Mon, 2005-05-09 at 20:29 -0700, Mark Mitchell wrote:
> Daniel Berlin wrote:
> > On Mon, 2005-05-09 at 22:15 -0400, Daniel Berlin wrote:
> >>We pass the address of a derived class to the a call, then upcast it
> >>back to the base class, effectively giving you the structure which
> >>wasn't passed. You can't do something like this in C, luckily :).
> >>Thus, we can only assume things about address of a structure field when
> >>their is not inheritance involved in the thing we are taking the address
> >>Thus, a TYPE_BINFO check is necessary on the thing whose address if
> >>being taken.
> Every class type has TYPE_BINFO. So, you're not really checking for
> inheritance; you're just checking that it's a class.
So i guess i'm looking for BINFO_N_BASE_BINFOS != 0?
> >>Where do we put execute test cases for C++? There is no g
> >>++.torture/execute or anything of the sort, and I don't see any.
Yeah, i was grepping for dg-run, instead of "dg-do run"