Alp Toker fb39de3be7 CommandLine: bail out when options get multiply registered ...

These errors are strictly unrecoverable and indicate serious issues such as
conflicting option names or an incorrectly linked LLVM distribution.

With this change, the errors actually get detected so tests don't pass
silently.

llvm-svn: 211260

2014-06-19 07:25:25 +00:00

62 KiB

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