src/Sema.zig                                                                                        | 299 +++++++++++++++++++-------------
 test/cases/compile_errors/implicit_cast_between_C_pointer_and_Zig_pointer-bad_const-align-child.zig |   2 +-
 test/cases/compile_errors/implicit_casting_C_pointers_which_would_mess_up_null_semantics.zig        |  11 +-
 test/cases/compile_errors/invalid_pointer_coercions.zig                                             |  77 ++++++++
 test/cases/compile_errors/use_implicit_casts_to_assign_null_to_non-nullable_pointer.zig             |   2 +-
 5 files changed, 263 insertions(+), 128 deletions(-)