c++/reflection: add fixed test

This test I got today was just fixed by r16-8027 earlier today.

gcc/testsuite/ChangeLog:

	* g++.dg/reflect/define_static_array5.C: New test.

diff --git a/gcc/testsuite/g++.dg/reflect/define_static_array5.C b/gcc/testsuite/g++.dg/reflect/define_static_array5.C
new file mode 100644 (file)
index 0000000..c775602
--- /dev/null
+++ b/gcc/testsuite/g++.dg/reflect/define_static_array5.C
@@ -0,0 +1,20 @@
+// { dg-do compile { target c++26 } }
+// { dg-additional-options "-freflection" }
+
+#include <meta>
+#include <ranges>
+
+static_assert(
+    std::ranges::equal(
+        (std::vector {1, 2} | std::views::transform([](auto z) { return std::pair(z, z); })),
+        std::vector {std::pair{1, 1}, std::pair{2, 2}}));
+static_assert(
+    std::ranges::equal(
+        std::define_static_array(
+            (std::vector {1, 2} | std::views::transform([](auto z) { return std::pair(z, z); }))),
+        std::vector {std::pair{1, 1}, std::pair{2, 2}}));
+static_assert(
+    std::ranges::equal(
+        std::define_static_array(
+            (std::vector {1, 2} | std::views::transform([](auto z) { return z; }))),
+        std::vector {1, 2}));