lebedev.ri added a comment.

In https://reviews.llvm.org/D46159#1081559, @NoQ wrote:

> Am i understanding correctly that the new `-enable-alpha-checks` flag doesn't 
> enable alpha checks, but it only allows enabling them with a separate command?


Yes, absolutely! Same with my followup https://reviews.llvm.org/D46188.
Perhaps something like `-allow-enabling-alpha-checks` would be a better name, 
but it is kinda long.

> Also wanted to mention that developers who are interested in running analyzer 
> alpha checkers over a compilation database also have an option of trying to 
> use `scan-build-py` which has support for both generating compilation 
> databases from arbitrary build systems and running over existing compilation 
> databases.

Good to know, i think this is the first time i'm hearing of it.

> This tool is also not recommended for actual users due to a number of 
> regressions from the existing scan-build, but it might get the job done when 
> it comes to developing and testing the analyzer itself.




Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D46159



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