[lldb] [llvm] [compiler-rt] [mlir] [sanitizer] Pre-commit disabled test for fork (PR #75257)

[Florian Mayer via llvm-commits]

================

----------------
fmayer wrote:

would appreciate a short comment that explains what this test does in an abstract sense, like

"sets up memory like so and so and verifies that this and this doesn't happen"

https://github.com/llvm/llvm-project/pull/75257