xref: /llvm-project/flang/test/Semantics/dosemantics04.f90 (revision 6c1ac141d3c98af9738bc77fcb55602cbff7751f)
1! RUN: %python %S/test_errors.py %s %flang_fc1
2! C1123 -- Expressions in DO CONCURRENT header cannot reference variables
3! declared in the same header
4PROGRAM dosemantics04
5  IMPLICIT NONE
6  INTEGER :: a, i, j, k, n
7
8  !ERROR: DO CONCURRENT mask expression references variable 'n' in LOCAL locality-spec
9  DO CONCURRENT (INTEGER *2 :: i = 1:10, i < j + n) LOCAL(n)
10    PRINT *, "hello"
11  END DO
12
13  !ERROR: DO CONCURRENT mask expression references variable 'a' in LOCAL locality-spec
14  DO 30 CONCURRENT (i = 1:n:1, j=1:n:2, k=1:n:3, a<3) LOCAL (a)
15    PRINT *, "hello"
1630 END DO
17
18! Initial expression
19  !ERROR: DO CONCURRENT limit expression may not reference index variable 'j'
20  DO CONCURRENT (i = j:3, j=1:3)
21  END DO
22
23! Final expression
24  !ERROR: DO CONCURRENT limit expression may not reference index variable 'j'
25  DO CONCURRENT (i = 1:j, j=1:3)
26  END DO
27
28! Step expression
29  !ERROR: DO CONCURRENT step expression may not reference index variable 'j'
30  DO CONCURRENT (i = 1:3:j, j=1:3)
31  END DO
32
33  !ERROR: DO CONCURRENT limit expression may not reference index variable 'i'
34  DO CONCURRENT (INTEGER*2 :: i = 1:3, j=i:3)
35  END DO
36
37END PROGRAM dosemantics04
38