src/Sema.zig                                                                        | 36 ++++++++++++++++++++++++++------
 test/cases/compile_errors/AstGen_comptime_known_struct_is_resolved_before_error.zig | 19 +++++++++++++++++
 test/cases/compile_errors/self_referential_struct_requires_comptime.zig             | 18 ++++++++++++++++
 test/cases/compile_errors/self_referential_union_requires_comptime.zig              | 17 +++++++++++++++
 4 files changed, 84 insertions(+), 6 deletions(-)