build.zig                      |   3 +-
 lib/std/child_process.zig      |  12 +-
 lib/std/fs.zig                 |  26 ++-
 lib/std/fs/file.zig            |  10 +
 lib/std/testing.zig            |  38 ++++
 lib/std/zig.zig                |  17 ++
 lib/std/zig/system.zig         |   7 +-
 src-self-hosted/ir.zig         |  34 ++--
 src-self-hosted/ir/text.zig    |  48 ++---
 src-self-hosted/test.zig       | 331 +++++++++++++-------------------
 test/stage2/compare_output.zig |  41 ++--
 test/stage2/compile_errors.zig | 103 +++++-----
 test/stage2/ir.zig             |  54 ------
 test/stage2/test.zig           |   1 +
 test/stage2/zir.zig            |  59 ++++++
 15 files changed, 407 insertions(+), 377 deletions(-)