Eliminate span_internal::Min in favor of std::min, since Min conflicts with a macro in a third-party library.

PiperOrigin-RevId: 485653193
Change-Id: I0615ceb9ea3e1533a989470e7c9863c86b70698b

absl/types/internal/span.h

@@ -32,9 +32,6 @@ template <typename T>
 class Span;
 
 namespace span_internal {
-// A constexpr min function
-constexpr size_t Min(size_t a, size_t b) noexcept { return a < b ? a : b; }
-
 // Wrappers for access to container data pointers.
 template <typename C>
 constexpr auto GetDataImpl(C& c, char) noexcept  // NOLINT(runtime/references)

absl/types/span.h

@@ -420,7 +420,7 @@ class Span {
   //   absl::MakeSpan(vec).subspan(5);     // throws std::out_of_range
   constexpr Span subspan(size_type pos = 0, size_type len = npos) const {
     return (pos <= size())
-               ? Span(data() + pos, span_internal::Min(size() - pos, len))
+               ? Span(data() + pos, (std::min)(size() - pos, len))
                : (base_internal::ThrowStdOutOfRange("pos > size()"), Span());
   }