src/Sema.zig                                                                     | 107 +++++++++++++++++++++++++++++++-
 test/behavior/tuple.zig                                                          |  15 +++++
 test/cases/compile_errors/stage1/test/type_mismatch_with_tuple_concatenation.zig |  11 ----
 test/cases/compile_errors/type_mismatch_with_tuple_concatenation.zig             |  10 +++
 4 files changed, 130 insertions(+), 13 deletions(-)