Lisandro Dalcin

I'll perform a new test today with ompi@main, I'm not convinced the current behavior is the right one (not that my opinion matters, of course).

@janjust Yes, I added my comments in #11681 with a request for the issue to be reopened. IMHO, things are still broken. If it were my call, I would not...

@wenduwan Please take into account #12392, that's IMHO the definitive fix, the changes there should be added here.

@hppritcha Sorry, I missed this issue, I was traveling. BTW, my GH username is @dalcinl, with final "L" (as in Lima) , not "I" (as in India). Let me know...

[MS-MPI v10.1.3](https://www.microsoft.com/en-us/download/details.aspx?id=105289) is available, but not uploaded yet to GitHub releases. The v10.1.2 is still missing in GH releases.

> unable to connect from "node5" to "node5" What are the contents of `/etc/hosts` in "node5"? If you login into node5, can you "ssh node5" or does it fail? I...

> Both `MPI_Type_size` and Perhaps `MPI_Type_size` failing out right is better? If we allow `MPI_Type_size` to succeed and return `MPI_UNDEFINED`, why not do the same with `MPI_Type_get_[true_]extent`? And then, there...

> We can think of this another way. For example, MPI_REAL16 is defined to be a 16-byte type. What about `MPI_INTEGER`, `MPI_REAL`, etc ? These types may be optional/unsupported simply...

> You're right, although the propsoed `MPI_ABI_DETAILS` seems like a reasonable way to determine the Fortran ABI, no? No idea what are you talking about :disappointed_relieved:. > Because the size...

I believe it is not exactly the same. My reproducer would be equivalent to: ```python from foo import Foo class Bar: Foo = Foo def bar(self) -> Foo: ... ```...