[all-commits] [llvm/llvm-project] 501bc1: [lldb] Save the edited line before clearing it in ...

[karzan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 501bc101c04675969ab673b247f2a58fa72bd09e
      https://github.com/llvm/llvm-project/commit/501bc101c04675969ab673b247f2a58fa72bd09e
  Author: karzan <61278770+karzanWang at users.noreply.github.com>
  Date:   2024-03-11 (Mon, 11 Mar 2024)

  Changed paths:
    M lldb/source/Host/common/Editline.cpp

  Log Message:
  -----------
  [lldb] Save the edited line before clearing it in Editline::PrintAsync (#84154)

If the `m_editor_status` is `EditorStatus::Editing`, PrintAsync clears
the currently edited line. In some situations, the edited line is not
saved. After the stream flushes, PrintAsync tries to display the unsaved
line, causing the loss of the edited line.

The issue arose while I was debugging REPRLRun in
[Fuzzilli](https://github.com/googleprojectzero/fuzzilli). I started
LLDB and attempted to set a breakpoint in libreprl-posix.c. I entered
`breakpoint set -f lib` and used the "tab" key for command completion.
After completion, the edited line was flushed, leaving a blank line.



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