build.zig              |    4 +
 lib/build_runner.zig   |    2 +-
 lib/std/bit_set.zig    |   12 +
 lib/std/zig/Ast.zig    |    9 +-
 lib/std/zig/render.zig | 1452 +++++++++++++++++---------------
 src/main.zig           |   12 +-
 src/reduce.zig         |  280 ++++++
 src/reduce/Walk.zig    |  893 ++++++++++++++++++++
 stage1/config.zig.in   |    1 +
 9 files changed, 2000 insertions(+), 665 deletions(-)