build.zig                       |  44 +-
 lib/std/Build/RunStep.zig       | 246 ++++++++---
 lib/std/Build/WriteFileStep.zig |  14 +-
 test/src/StackTrace.zig         | 105 +++++
 test/src/Standalone.zig         | 141 ++++++
 test/src/check-stack-trace.zig  |  79 ++++
 test/tests.zig                  | 735 ++++----------------------------
 7 files changed, 637 insertions(+), 727 deletions(-)