src/Sema.zig                                                                         | 86 ++++++++++++++++++++++++++++++--
 test/behavior/bitcast.zig                                                            | 16 ------
 test/cases/compile_errors/bitCast_to_enum_type.zig                                   |  2 +-
 test/cases/compile_errors/intToPtr_with_misaligned_address.zig                       | 10 ++++
 test/cases/compile_errors/issue_3818_bitcast_from_parray-slice_to_u16.zig            | 19 +++++++
 test/cases/compile_errors/stage1/obj/intToPtr_with_misaligned_address.zig            | 10 ----
 test/cases/compile_errors/stage1/obj/issue_3818_bitcast_from_parray-slice_to_u16.zig | 17 -------
 7 files changed, 111 insertions(+), 49 deletions(-)