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5f99e0d4b9
When you run lldb without colors (`-X`), the status line looks weird because it doesn't have a background. You end up with what appears to be floating text at the bottom of your terminal. This patch changes the statusline to use the reverse video effect, even when colors are off. The effect doesn't introduce any new colors and just inverts the foreground and background color. I considered an alternative approach which changes the behavior of the `-X` option, so that turning off colors doesn't prevent emitting non-color related control characters such as bold, underline, and reverse video. I decided to go with this more targeted fix as (1) nobody is asking for this more general change and (2) it introduces significant complexity to plumb this through using a setting and driver flag so that it can be disabled when running the tests. Fixes #134112.