[clang] [Clang][RISCV] Add operator overloading for builtin RVV vector types (PR #192722)

[David Truby via cfe-commits]

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DavidTruby wrote:

I guess this is my mistake in the original SVE patch, but you can't actually get here, as this if has the same condition as the one above. Not sure how I ended up putting it in twice, but you can just remove this whole block I guess?

https://github.com/llvm/llvm-project/pull/192722