subroutine broken_equiv1 character*4 h character*3 i equivalence (h(1:3), i(2:1)) ! { dg-error "has length zero" } end subroutine subroutine broken_equiv2 character*4 j character*2 k equivalence (j(2:3), k(1:5)) ! { dg-error "exceeds the string length" } end subroutine subroutine broken_equiv3 character*4 l character*2 m equivalence (l(2:3:4), m(1:2)) ! { dg-error "\[Ss\]yntax error" } end subroutine