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[lldb/Driver] Print snippet before exiting with unknown argument.

Authored by JDevlieghere on Wed, May 20, 12:32 PM.

Description

[lldb/Driver] Print snippet before exiting with unknown argument.

Print a little snippet before exiting when passed unrecognized
arguments. The goal is twofold:

  • Point users to lldb --help.
  • Make it clear that we exited the debugger.

Details

Committed
JDevlieghereWed, May 20, 12:35 PM
Parents
rG04daba967031: [lldb] Cleans up system_libs
Branches
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Tags
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