[libc++] Extend is_trivially_equality_comparable to integral types with the same signedness and size #70344
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libcxx/test/libcxx/type_traits/is_trivially_comparable.compile.pass.cpp
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…th the same signdness and size
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…th the same signedness and size (llvm#70344) This enables all optimizations that rely on `is_trivially_equality_comparable` to work with these integral types, for example `std::equal` and `std::find`.
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This enables all optimizations that rely on
is_trivially_equality_comparableto work with these integral types, for examplestd::equalandstd::find.