swift234

Fix:
<rdar://problem/21560309> inout allowed on function return type
<rdar://problem/21949448> Accepts-invalid: 'inout' shouldn't be allowed on stored properties

at first blush, they looked like the same issue, but they weren't:
 - The former was incorrectly propagation of the TR_FunctionInput bits in TypeResolver
 - The later was the inout was being parsed and ignored on some types (!)

Also, slap ErrorType on invalid inout TypeReprs to silence downstream errors.



Swift SVN r30756