gcc/c-family/ChangeLog:

	PR c++/92721
	* c-attribs.c (append_access_attrs): Correctly handle attribute.
	(handle_access_attribute): Same.

gcc/ChangeLog:

	PR c++/92721
	* calls.c (init_attr_rdwr_indices): Correctly handle attribute.

gcc/testsuite/ChangeLog:

	PR c++/92721
	g++.dg/ext/attr-access.C: New test.