xref: /llvm-project/flang/test/Semantics/assign06.f90 (revision cc180f4c8cd9a03fe737ed98abb5e54aaacf4ba8)
1! RUN: %python %S/test_errors.py %s %flang_fc1
2! Test ASSIGN statement, assigned GOTO, and assigned format labels
3! (see subclause 8.2.4 in Fortran 90 (*not* 2018!)
4
5program main
6  call test(0)
7 contains
8  subroutine test(n)
9    integer, intent(in) :: n
10    integer :: lab
11    integer(kind=1) :: badlab1
12    real :: badlab2
13    integer :: badlab3(1)
14    character, pointer :: badlab4(:) ! not contiguous
15    character, pointer, contiguous :: oklab4(:)
16    assign 1 to lab ! ok
17    assign 1 to implicitlab1 ! ok
18    !ERROR: 'badlab1' must be a default integer scalar variable
19    assign 1 to badlab1
20    !ERROR: 'badlab2' must be a default integer scalar variable
21    assign 1 to badlab2
22    !ERROR: 'badlab3' must be a default integer scalar variable
23    assign 1 to badlab3
24    !ERROR: 'test' must be a default integer scalar variable
25    assign 1 to test
26    if (n==1) goto lab ! ok
27    if (n==1) goto implicitlab2 ! ok
28    !ERROR: 'badlab1' must be a default integer scalar variable
29    if (n==1) goto badlab1
30    !ERROR: 'badlab2' must be a default integer scalar variable
31    if (n==1) goto badlab2
32    !ERROR: 'badlab3' must be a default integer scalar variable
33    if (n==1) goto badlab3
34    if (n==1) goto lab(1) ! ok
35    if (n==1) goto lab,(1) ! ok
36    if (n==1) goto lab(1,1) ! ok
37    assign 3 to lab ! ok
38    write(*,fmt=lab) ! ok
39    write(*,fmt=implicitlab3) ! ok
40    !ERROR: Format expression must be default character or default scalar integer
41    write(*,fmt=badlab1)
42    !ERROR: Format expression must be default character or default scalar integer
43    write(*,fmt=z'feedface')
44    !Legacy extension cases
45    write(*,fmt=badlab2)
46    write(*,fmt=badlab3)
47    !Array cases
48    write(*,fmt=badlab4) ! ok
49    write(*,fmt=badlab5) ! ok
501   continue
513   format('yes')
52  end subroutine test
53end program
54