checker: avoid &Type as generic concrete type on usage #18447
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Fix #18440
Fix #18367
🤖 Generated by Copilot at c6065ce
Prevent using reference types as generic concrete types in the compiler. Add a test case and an error message for this scenario.
🤖 Generated by Copilot at c6065ce
parse_type.v
and callerror_with_pos
with message and position (link)wrong_ref_type_as_concrete_err.out
suggesting to use generic type parameter instead (link)wrong_ref_type_as_concrete_err.vv
that importsdatatypes
module, defines heap-allocated structUser
, and tries to create doubly linked list of references toUser
(link)