[PATCH] Do not expose stub types to Python

[Tom Tromey]

>>>>> "Tom" == Tom Tromey <tromey@adacore.com> writes:

Tom> dwarf2read.c will create stub types for Ada "Taft Amendment" types.
Tom> These stub types can currently be exposed to Python code, where they
Tom> show up as TYPE_CODE_VOID types (but that, mysteriously, can sometimes
Tom> be used in other ways).

Tom> While it's possible to work with such types by using strip_typedefs,
Tom> this seemed unpleasant to me.  This patch takes another approach
Tom> instead, which is to try not to expose stub types to Python users.

Tom> gdb/ChangeLog
Tom> 2019-08-22  Tom Tromey  <tromey@adacore.com>

Tom> 	* python/py-type.c (type_to_type_object): Call check_typedef
Tom> 	for stub types.

I'm checking this in now.

Tom