[libc++] Remove U+00AD SOFT HYPHEN from comments in tests. NFC.

git grep  $(printf '\xc2\xad') ../libcxx

libcxx/test/std/algorithms/alg.modifying.operations/alg.swap/ranges.swap_ranges.pass.cpp

@@ -12,12 +12,12 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
-// template<input_­iterator I1, sentinel_­for<I1> S1, input_­iterator I2, sentinel_­for<I2> S2>
-//   requires indirectly_­swappable<I1, I2>
+// template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
+//   requires indirectly_swappable<I1, I2>
 //   constexpr ranges::swap_ranges_result<I1, I2>
 //     ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
-// template<input_­range R1, input_range R2>
-//   requires indirectly_­swappable<iterator_t<R1>, iterator_t<R2>>
+// template<input_range R1, input_range R2>
+//   requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
 //   constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
 //     ranges::swap_ranges(R1&& r1, R2&& r2);
 

libcxx/test/std/iterators/iterator.requirements/indirectcallable/indirectinvocable/indirectly_comparable.compile.pass.cpp

@@ -10,7 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 
 // template<class I1, class I2, class R, class P1, class P2>
-// concept indirectly_­comparable;
+// concept indirectly_comparable;
 
 #include <functional>
 #include <iterator>

libcxx/test/std/language.support/support.coroutines/coroutine.handle/coroutine.handle.noop/noop_coroutine.pass.cpp

@@ -59,8 +59,8 @@ int main(int, char**)
   static_assert(h.done() == false, "");
 
   // [coroutine.handle.noop.resumption]p2
-  // Remarks: If noop_­coroutine_­handle is converted to
-  // coroutine_­handle<>, calls to operator(), resume and
+  // Remarks: If noop_coroutine_handle is converted to
+  // coroutine_handle<>, calls to operator(), resume and
   // destroy on that handle will also have no observable
   // effects.
   base.resume();

libcxx/test/std/ranges/range.adaptors/range.reverse/ctor.default.pass.cpp

@@ -10,7 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
-// reverse_view() requires default_­initializable<V> = default;
+// reverse_view() requires default_initializable<V> = default;
 
 #include <ranges>
 #include <cassert>

libcxx/test/std/ranges/range.factories/range.iota.view/ctor.default.pass.cpp

@@ -10,7 +10,7 @@
 // UNSUPPORTED: libcpp-no-concepts
 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
-// iota_view() requires default_­initializable<W> = default;
+// iota_view() requires default_initializable<W> = default;
 
 #include <ranges>
 #include <cassert>

libcxx/test/std/ranges/range.factories/range.iota.view/sentinel/minus.pass.cpp

@@ -11,9 +11,9 @@
 // UNSUPPORTED: libcpp-has-no-incomplete-ranges
 
 // friend constexpr iter_difference_t<W> operator-(const iterator& x, const sentinel& y)
-//   requires sized_­sentinel_­for<Bound, W>;
+//   requires sized_sentinel_for<Bound, W>;
 // friend constexpr iter_difference_t<W> operator-(const sentinel& x, const iterator& y)
-//   requires sized_­sentinel_­for<Bound, W>;
+//   requires sized_sentinel_for<Bound, W>;
 
 #include <ranges>
 #include <cassert>