[PATCH] D22144: [lit] add support for unsetting environment variable

[Jonathan Peyton via llvm-commits]

jlpeyton updated this revision to Diff 70449.
jlpeyton added a comment.

Added testing for env and env -u feature of ShTest format


Repository:
  rL LLVM

https://reviews.llvm.org/D22144

Files:
  lit/TestRunner.py
  tests/Inputs/shtest-env/env-u.txt
  tests/Inputs/shtest-env/env.txt
  tests/Inputs/shtest-env/lit.cfg
  tests/Inputs/shtest-env/mixed.txt
  tests/Inputs/shtest-env/print_environment
  tests/shtest-env.py

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