1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/impure_assignment_1.f90 b/gcc/testsuite/gfortran.dg/impure_assignment_1.f90
new file mode 100644
index 000000000..6a1660c38
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/impure_assignment_1.f90
@@ -0,0 +1,28 @@
+! { dg-do compile }
+! Tests fix for PR25059, which gave and ICE after error message  
+! Contributed by Joost VandeVondele  <jv244@cam.ac.uk>
+MODULE M1
+ TYPE T1
+  INTEGER :: I
+ END TYPE T1
+ INTERFACE ASSIGNMENT(=)
+   MODULE PROCEDURE S1
+ END INTERFACE
+CONTAINS
+   SUBROUTINE S1(I,J)
+     TYPE(T1), INTENT(OUT):: I
+     TYPE(T1), INTENT(IN) :: J
+     I%I=J%I**2
+   END SUBROUTINE S1
+END MODULE M1
+
+USE M1
+CONTAINS
+PURE SUBROUTINE S2(I,J)
+     TYPE(T1), INTENT(OUT):: I
+     TYPE(T1), INTENT(IN) :: J
+     I=J                      ! { dg-error "is not PURE" }
+END SUBROUTINE S2
+END
+! { dg-final { cleanup-modules "M1" } }
+