llvm-project/flang/test/Semantics/block-data01.f90

35 lines
1.4 KiB
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1
! Test BLOCK DATA subprogram (14.3)
block data foo
!ERROR: IMPORT is not allowed in a BLOCK DATA subprogram
import
real :: pi = asin(-1.0) ! ok
!ERROR: An initialized variable in BLOCK DATA must be in a COMMON block
integer :: notInCommon = 1
integer :: uninitialized ! ok
!ERROR: 'q' may not appear in a BLOCK DATA subprogram
procedure(sin), pointer :: q => cos
!ERROR: 'p' may not be a procedure as it is in a COMMON block
procedure(sin), pointer :: p => cos
common /block/ pi, p
!ERROR: An initialized variable in BLOCK DATA must be in a COMMON block
integer :: inDataButNotCommon
data inDataButNotCommon /1/
integer :: inCommonA, inCommonB
!ERROR: 'incommona' in COMMON block /a/ must not be storage associated with 'incommonb' in COMMON block /b/ by EQUIVALENCE
common /a/ inCommonA, /b/ inCommonB
equivalence(inCommonA, inCommonB)
integer :: inCommonD, initialized ! ok
common /d/ inCommonD
equivalence(inCommonD, initialized)
data initialized /2/
integer :: inCommonE, jarr(2)
equivalence(inCommonE, jarr(2))
!ERROR: 'incommone' cannot backward-extend COMMON block /e/ via EQUIVALENCE with 'jarr'
common /e/ inCommonE
equivalence(inCommonF1, inCommonF2)
integer :: inCommonF1, inCommonF2
!ERROR: 'incommonf1' is storage associated with 'incommonf2' by EQUIVALENCE elsewhere in COMMON block /f/
common /f/ inCommonF1, inCommonF2
end block data