1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/intent_used_1.f90 b/gcc/testsuite/gfortran.dg/intent_used_1.f90
new file mode 100644
index 000000000..ec23bf585
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/intent_used_1.f90
@@ -0,0 +1,19 @@
+! { dg-do compile }
+! Tests the fix for the regression caused by the patch for PR20869
+! which itself is tested and described by intrinsic_external_1.f90
+!
+! reported to the fortran list by Dominique Dhumieres  dominiq@lps.ens.fr
+
+MODULE global
+   INTERFACE
+      SUBROUTINE foo(i, j)
+      IMPLICIT NONE
+      INTEGER :: j
+      integer, DIMENSION(j,*) :: i ! This constituted usage of j and so triggered....
+      INTENT (IN) j  ! Would give "Cannot change attributes of symbol at (1) after it has been used"
+      INTENT (INOUT) i
+      END SUBROUTINE foo
+   END INTERFACE
+END MODULE global
+
+! { dg-final { cleanup-modules "global" } }