[compiler-rt] [compiler-rt] FuzzedDataProvider: modernize outdated trait patterns (PR #127811)

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https://github.com/maflcko approved this pull request.

lgtm. Seems fine to update this header to use c++17. Anyone on c++11 can use the previous header. Could also fix the other C++17 TODOs in this file, but either way is fine.



https://github.com/llvm/llvm-project/pull/127811