LWG3505 split_view::outer-iterator::operator++ misspecified

Author: burblebee

source/ranges.tex

@@ -5674,11 +5674,17 @@
 if (@\placeholder{current}@ == end) return *this;
 const auto [pbegin, pend] = subrange{@\exposid{parent_}@->@\exposid{pattern_}@};
 if (pbegin == pend) ++@\placeholder{current}@;
+else if constexpr (@\exposconcept{tiny-range}@<Pattern>) {
+  @\placeholder{current}@ = ranges::find(std::move(@\placeholder{current}@), end, *pbegin);
+  if (@\placeholder{current}@ != end) {
+    ++@\placeholder{current}@;
+  }
+}
 else {
   do {
-    auto [b, p] = ranges::mismatch(std::move(@\placeholder{current}@), end, pbegin, pend);
-    @\placeholder{current}@ = std::move(b);
+    auto [b, p] = ranges::mismatch(@\placeholder{current}@, end, pbegin, pend);
     if (p == pend) {
+      @\placeholder{current}@ = b;
       break;            // The pattern matched; skip it
     }
   } while (++@\placeholder{current}@ != end);