[LLVMbugs] [Bug 23394] clang 3.6.0 will assert when --extra-warnings is used

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=23394

Hans Wennborg <hans at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |hans at chromium.org
         Resolution|---                         |FIXED
            Summary|[Windows] clang 3.6.0 will  |clang 3.6.0 will assert
                   |assert when                 |when --extra-warnings is
                   |--extra-warnings is used    |used
                 OS|Windows NT                  |All

--- Comment #1 from Hans Wennborg <hans at chromium.org> ---
I don't think --extra-flags does anything in Clang, but we shouldn't crash on
it.

This is not Windows-specific, and it seems it never worked.

The option parser got confused about --extra-flags being a flag alias for -W.
The latter is a joined option, so it expects a (possibly empty) argument, which
the flag alias didn't provide. This is fixed in r236434.

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