mstorsjo wrote:

> That's true, but there is new code added from time to time, and I'm not 
> convinced that it doesn't hit some bug in some compiler version given our 
> test coverage. I'm generally in favour of "if you don't test it, don't claim 
> support for it". Or do you think we should aim to support such old compiler 
> versions? I would think that at least the general LLVM minimum requirements 
> should apply (i.e. Clang 5 and GCC 7.4). That wouldn't help in this case, but 
> these compiler versions might at least be actually tested by someone 
> somewhere.

Yeah, bumping the requirement to those versions should at least be quite safe. 
I agree that it's perhaps not good to expressly claim to support something 
ancient that really isn't tested, but I don't see a need to have it as strictly 
versioned as e.g. libcxx/libcxxabi either, by expressly disallowing building 
with older versions.

https://github.com/llvm/llvm-project/pull/164535
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