src/analyze.cpp         | 15 ++++--
 src/codegen.cpp         |  5 +-
 src/ir.cpp              | 79 ++++++++++++++++++++++++++++++++
 test/cases/union.zig    |  7 +++
 test/compile_errors.zig | 31 +++++++++++++
 5 files changed, 129 insertions(+), 8 deletions(-)