! { dg-do run } ! { dg-options "-fcheck=bounds" } ! { dg-shouldfail "Fortran runtime error: Incorrect extent in argument B in MATMUL intrinsic in dimension 1" } program main real, dimension(:,:), allocatable :: a, b, c character(len=100) :: line allocate (a(3,2)) allocate (b(2,4)) call random_number(a) call random_number(b) write (unit=line, fmt=*) matmul(a,transpose(b)) end program main ! { dg-output "Fortran runtime error: Incorrect extent in argument B in MATMUL intrinsic in dimension 1" }