doc/langref.html.in                                           |   5 -
 src/AstGen.zig                                                | 272 ++++++++++++++++----------------
 src/Sema.zig                                                  |  34 +++-
 src/Zir.zig                                                   |  30 ++++
 src/print_zir.zig                                             |  23 +++
 test/behavior/defer.zig                                       |  17 ++
 test/cases/compile_errors/return_from_defer_expression.zig    |   1 +
 test/cases/compile_errors/uncreachable_else_prong_err_set.zig |  25 +++
 test/cases/returns_in_try.zig                                 |   2 +
 9 files changed, 261 insertions(+), 148 deletions(-)