libstdc++: Deprecate __gnu_cxx::rope::erase(size_type) [PR102048]

This function is broken, and has been removed for GCC 11 and 12.
Deprecate it for GCC 10.

libstdc++-v3/ChangeLog:

	PR libstdc++/102048
	* include/ext/rope (rope::erase(size_type)): Deprecate broken
	function.

diff --git a/libstdc++-v3/include/ext/rope b/libstdc++-v3/include/ext/rope
index fb7bdb0d6f490256e0a4da96380e5f4c5841dfb3..5597ecb8562953c18011202d0be185bc3ec3ea0e 100644 (file)
--- a/libstdc++-v3/include/ext/rope
+++ b/libstdc++-v3/include/ext/rope
@@ -2388,7 +2388,7 @@ protected:
       }
 
       // Erase, single character
-      void
+      _GLIBCXX_DEPRECATED void
       erase(size_type __p)
       { erase(__p, __p + 1); }