gcc/c-family/ChangeLog:

	PR tree-optimization/84725
	* c-attribs.c (handle_nonstring_attribute): Allow attribute nonstring
	with all three narrow character types, including their qualified forms.

gcc/testsuite/ChangeLog:

	PR tree-optimization/84725
	* c-c++-common/Wstringop-truncation-4.c: New test.
	* c-c++-common/attr-nonstring-5.c: New test.

From-SVN: r258492