[all-commits] [llvm/llvm-project] 6466c9: [lit] Passthrough CLANG_MODULE_CACHE_PATH env var

[Alex Brachet via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6466c9abf3674bade1f6ee859f24ebc7aaf9cd88
      https://github.com/llvm/llvm-project/commit/6466c9abf3674bade1f6ee859f24ebc7aaf9cd88
  Author: Alex Brachet <abrachet at google.com>
  Date:   2022-06-11 (Sat, 11 Jun 2022)

  Changed paths:
    M llvm/utils/lit/lit/TestingConfig.py

  Log Message:
  -----------
  [lit] Passthrough CLANG_MODULE_CACHE_PATH env var

This environment variable can be set to control module
caching. It disables caching by setting the variable
empty. As such, it needs to be handled differently
from other environment variables here which are
assumed to not be empty.