doc/langref.html.in             |   3 +-
 lib/std/special/test_runner.zig |   4 +-
 lib/std/testing.zig             |  20 ++++
 src/AstGen.zig                  |   3 +
 src/Sema.zig                    |  68 +++++++----
 src/type.zig                    | 126 ++++++++++++++++----
 test/behavior.zig               |   2 +-
 test/behavior/basic.zig         |  15 ++-
 test/behavior/bugs/3779.zig     |   5 +-
 test/behavior/typename.zig      | 204 +++++++++++++++++++++++++++-----
 test/behavior/undefined.zig     |   6 +-
 11 files changed, 369 insertions(+), 87 deletions(-)