src/all_types.hpp       |  43 +++++-
 src/analyze.cpp         | 223 +++++++++++++++++++++++++++++++-
 src/analyze.hpp         |   1 +
 src/codegen.cpp         | 101 ++++++++++++++-
 src/ir.cpp              | 171 ++++++++++++++++++++++--
 src/ir_print.cpp        |  22 ++++
 src/zig_llvm.cpp        |   4 +
 src/zig_llvm.hpp        |   1 +
 test/cases/union.zig    |  13 ++
 test/compile_errors.zig |   6 +-
 10 files changed, 559 insertions(+), 26 deletions(-)