[all-commits] [llvm/llvm-project] be1b1a: Turn signal handling on in LineEditor (#203616)

[Brandon Correa via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: be1b1a77732ce65d8de5f8316f0ce65e2be818ba
      https://github.com/llvm/llvm-project/commit/be1b1a77732ce65d8de5f8316f0ce65e2be818ba
  Author: Brandon Correa <bwancor at gmail.com>
  Date:   2026-07-15 (Wed, 15 Jul 2026)

  Changed paths:
    M llvm/lib/LineEditor/LineEditor.cpp

  Log Message:
  -----------
  Turn signal handling on in LineEditor (#203616)

This PR was created to address
https://github.com/jank-lang/jank/issues/801.

Without signal handling, `CLRL+C` / `CTRL+Z` leaves the terminal in an
awkward state, breaking other command line tasks and forcing the user to
open a new/clean terminal window.

cc: @jeaye 

### Edit

#### AI

Per the contribution policies and review practices, AI was used to
locate the root cause of the issue I was seeing. From there, I
personally wrote the code and manually tested the build to verify that
the change fixed the problem I was seeing.

#### Testing

Since there were no pre-existing unit tests for this module, no
additional unit tests were added for this PR. I validated the existing
build/tests locally and validated the change propagated through
manually.



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