flang/test/Semantics/block-data01.f90

   1 ! RUN: %python %S/test_errors.py %s %flang_fc1
   2 ! Test BLOCK DATA subprogram (14.3)
   3 block data foo
   4   !ERROR: IMPORT is not allowed in a BLOCK DATA subprogram
   5   import
   6   real :: pi = asin(-1.0) ! ok
   7   !ERROR: An initialized variable in BLOCK DATA must be in a COMMON block
   8   integer :: notInCommon = 1
   9   integer :: uninitialized ! ok
  10   !ERROR: 'q' may not appear in a BLOCK DATA subprogram
  11   procedure(sin), pointer :: q => cos
  12   !ERROR: 'p' may not be a procedure as it is in a COMMON block
  13   procedure(sin), pointer :: p => cos
  14   common /block/ p, pi
  15   !ERROR: An initialized variable in BLOCK DATA must be in a COMMON block
  16   integer :: inDataButNotCommon
  17   data inDataButNotCommon /1/
  18   integer :: inCommonA, inCommonB
  19   !ERROR: 'incommona' in COMMON block /a/ must not be storage associated with 'incommonb' in COMMON block /b/ by EQUIVALENCE
  20   common /a/ inCommonA, /b/ inCommonB
  21   equivalence(inCommonA, inCommonB)
  22   integer :: inCommonD, initialized ! ok
  23   common /d/ inCommonD
  24   equivalence(inCommonD, initialized)
  25   data initialized /2/
  26   integer :: inCommonE, jarr(2)
  27   equivalence(inCommonE, jarr(2))
  28   !ERROR: 'incommone' cannot backward-extend COMMON block /e/ via EQUIVALENCE with 'jarr'
  29   common /e/ inCommonE
  30   equivalence(inCommonF1, inCommonF2)
  31   integer :: inCommonF1, inCommonF2
  32   !ERROR: 'incommonf1' is storage associated with 'incommonf2' by EQUIVALENCE elsewhere in COMMON block /f/
  33   common /f/ inCommonF1, inCommonF2
  34 end block data