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1 files changed, 61 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/iso_fortran_env_7.f90 b/gcc/testsuite/gfortran.dg/iso_fortran_env_7.f90
new file mode 100644
index 000000000..c8617efb1
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/iso_fortran_env_7.f90
@@ -0,0 +1,61 @@
+! { dg-do link }
+!
+! PR fortran/40571
+!
+! This test case adds check for the new Fortran 2008 array parameters
+! in ISO_FORTRAN_ENV: integer_kinds, logical_kinds, character_kinds,
+! and real_kinds.
+!
+! The test thus also checks that the values of the parameter are used
+! and no copy is made. (Cf. PR 44856.)
+
+program test
+  use iso_fortran_env, only: integer_kinds, character_kinds
+  implicit none
+  integer :: aaaa(2),i
+  i=1
+
+  print *, integer_kinds
+  print *, integer_kinds(1)
+  print *, (integer_kinds)
+  print *, (integer_kinds + 1)
+  print *, integer_kinds(1:2)
+  print *, integer_kinds(i)
+
+  aaaa = character_kinds
+  aaaa(1:2) = character_kinds(1:2)
+  aaaa(i) = character_kinds(i)
+  aaaa = character_kinds + 0
+  aaaa(1:2) = character_kinds(1:2) + 0
+  aaaa(i) = character_kinds(i) + 0
+end program test
+
+subroutine one()
+  use iso_fortran_env, only: ik => integer_kinds, ik2 => integer_kinds
+  implicit none
+
+  if (any (ik /= ik2)) call never_call_me()
+end subroutine one
+
+subroutine two()
+  use iso_fortran_env
+  implicit none
+
+  ! Should be 1, 2, 4, 8 and possibly 16
+  if (size (integer_kinds) < 4) call never_call_me()
+  if (any (integer_kinds(1:4) /= [1,2,4,8])) call never_call_me()
+  if (any (integer_kinds /= logical_kinds)) call never_call_me()
+
+  if (size (character_kinds) /= 2) call never_call_me()
+  if (any (character_kinds /= [1,4])) call never_call_me()
+
+  if (size (real_kinds) < 2) call never_call_me()
+  if (any (real_kinds(1:2) /= [4,8])) call never_call_me()
+end subroutine two
+
+subroutine three()
+  use iso_fortran_env
+  integer :: i, j(2)
+  i = real_kinds(1)
+  j = real_kinds(1:2)
+end subroutine three