[libcxx] [clang-tools-extra] [llvm] [clang] [libcxx] adds ranges::fold_left_with_iter and ranges::fold_left (PR #75259)

[Christopher Di Bella via cfe-commits]

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@@ -83,6 +83,10 @@ static_assert(test(std::ranges::find_end, a, a));
 static_assert(test(std::ranges::find_first_of, a, a));
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cjdb wrote:

I'm a bit hesitant to use that test file, so `left_folds.pass.cpp` does checks to ensure invocable robustness. I'll my concerns in the new year, when I tackle the other folds.

https://github.com/llvm/llvm-project/pull/75259