1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp2a/spaceship-synth2.C b/gcc/testsuite/g++.dg/cpp2a/spaceship-synth2.C
new file mode 100644
index 00000000000..cf23c9771e0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp2a/spaceship-synth2.C
@@ -0,0 +1,43 @@
+// Test with only spaceship defaulted.
+// { dg-do run { target c++2a } }
+
+#include <compare>
+
+struct D
+{
+  int i;
+  auto operator<=>(const D& x) const = default;
+  // auto operator==(const D& x) const = default;
+  // auto operator!=(const D& x) const = default;
+  // auto operator<(const D& x) const = default;
+  // auto operator<=(const D& x) const = default;
+  // auto operator>(const D& x) const = default;
+  // auto operator>=(const D& x) const = default;
+};
+
+#define assert(X) do { if (!(X)) __builtin_abort(); } while (0)
+
+int main()
+{
+  D d{42};
+  D d2{24};
+
+  assert (is_eq (d <=> d));
+  assert (is_lteq (d <=> d));
+  assert (is_gteq (d <=> d));
+  assert (is_lt (d2 <=> d));
+  assert (is_lteq (d2 <=> d));
+  assert (is_gt (d <=> d2));
+  assert (is_gteq (d <=> d2));
+
+  assert (d == d);
+  assert (!(d2 == d));
+  assert (!(d == d2));
+  assert (d != d2);
+  assert (!(d2 != d2));
+
+  assert (d2 < d);
+  assert (d2 <= d);
+  assert (d > d2);
+  assert (d >= d2);
+}