libstdc++: Mark new istream::ignore overload always_inline

This means we don't need to add the new member to the explicit
instantiation definition.

libstdc++-v3/ChangeLog:

	* include/std/istream (istream::ignore(streamsize, char)): Add
	always_inline attribute.

diff --git a/libstdc++-v3/include/std/istream b/libstdc++-v3/include/std/istream
index 285c41cf02baf4e3c126f424d261b940a943f3af..ea232a71f5a8917c8241e7b0478e2b0328aaaebf 100644 (file)
--- a/libstdc++-v3/include/std/istream
+++ b/libstdc++-v3/include/std/istream
@@ -556,6 +556,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       ignore();
 
 #if __cplusplus > 202302L
+      [[__gnu__::__always_inline__]]
       __istream_type&
       ignore(streamsize __n, char __delim) requires same_as<_CharT, char>
       { return ignore(__n, traits_type::to_int_type(__delim)); }