[libcxx-commits] [libcxx] [libc++] Implement P3168R2: Give optional range support (PR #149441)

[William Tran-Viet via libcxx-commits]

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@@ -2,6 +2,7 @@ algorithm cctype
 algorithm climits
 algorithm compare
 algorithm cstdint
+algorithm cstdio
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smallp-o-p wrote:

I'm pretty sure it comes from a transitive include originating from `__format/range_format.h`. I ran into an issue when including it unguarded because somewhere along the chain `string_view` gets included twice in an `<algorithm>` sub-header. 

https://github.com/llvm/llvm-project/pull/149441