doc/langref.html.in                          |   2 +-
 lib/std/builtin.zig                          |   5 ++
 src/Sema.zig                                 | 119 ++++++++++----------------------
 test/cases/safety/bad union field access.zig |   2 +-
 4 files changed, 45 insertions(+), 83 deletions(-)