libstdc++: Do not define __cpp_lib_ranges_iota in <ranges>

In r14-7153-gadbc46942aee75 we removed a duplicate definition of
__glibcxx_want_range_iota from <ranges>, but __cpp_lib_ranges_iota
should be defined in <ranges> at all.

libstdc++-v3/ChangeLog:

	* include/std/ranges (__glibcxx_want_ranges_iota): Do not
	define.

(cherry picked from commit 25775e73ea4d40a55a26b71c42cc6509caf4845f)

diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges
index fdfecf3527fed6d0dac20103c6f2df61ed8c3c0c..374a16b3fb6b45a70f13288219ecaefe74b551bf 100644 (file)
--- a/libstdc++-v3/include/std/ranges
+++ b/libstdc++-v3/include/std/ranges
@@ -59,7 +59,6 @@
 #define __glibcxx_want_ranges_chunk
 #define __glibcxx_want_ranges_chunk_by
 #define __glibcxx_want_ranges_enumerate
-#define __glibcxx_want_ranges_iota
 #define __glibcxx_want_ranges_join_with
 #define __glibcxx_want_ranges_repeat
 #define __glibcxx_want_ranges_slide