doc/langref.html.in            |  32 +++++----
 src/ir.cpp                     | 112 +++++++++++++++++---------------
 src/target.cpp                 |   3 +-
 test/stage1/behavior/union.zig |  15 +++++
 test/tests.zig                 |  12 ++--
 5 files changed, 97 insertions(+), 77 deletions(-)