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diff --git a/gcc/testsuite/gfortran.dg/typebound_operator_6.f03 b/gcc/testsuite/gfortran.dg/typebound_operator_6.f03
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@@ -0,0 +1,73 @@
+! { dg-do run }
+!
+! PR 45961: [4.6 Regression] [OOP] Problem with polymorphic type-bound operators
+!
+! Contributed by Mark Rashid <mmrashid@ucdavis.edu>
+
+MODULE DAT_MOD
+
+  TYPE :: DAT
+    INTEGER :: NN
+  CONTAINS
+    PROCEDURE :: LESS_THAN
+    GENERIC :: OPERATOR (.LT.) => LESS_THAN
+  END TYPE DAT
+
+CONTAINS
+
+  LOGICAL FUNCTION LESS_THAN(A, B)
+    CLASS (DAT), INTENT (IN) :: A, B
+    LESS_THAN = (A%NN .LT. B%NN)
+  END FUNCTION LESS_THAN
+
+END MODULE DAT_MOD
+
+
+MODULE NODE_MOD
+  USE DAT_MOD
+
+  TYPE NODE
+    INTEGER :: KEY
+    CLASS (DAT), POINTER :: PT
+  CONTAINS
+    PROCEDURE :: LST
+    GENERIC :: OPERATOR (.LT.) => LST
+  END TYPE NODE
+
+CONTAINS
+
+  LOGICAL FUNCTION LST(A, B)
+    CLASS (NODE), INTENT (IN) :: A, B
+    IF (A%KEY .GT. 0 .AND. B%KEY .GT. 0) THEN
+      LST = (A%KEY .LT. B%KEY)
+    ELSE
+      LST = (A%PT .LT. B%PT)
+    END IF
+  END FUNCTION LST
+
+END MODULE NODE_MOD
+
+
+PROGRAM TEST
+  USE NODE_MOD
+  IMPLICIT NONE
+
+  CLASS (DAT), POINTER :: POINTA => NULL(), POINTB => NULL()
+  CLASS (NODE), POINTER :: NDA => NULL(), NDB => NULL()
+
+  ALLOCATE (DAT :: POINTA)
+  ALLOCATE (DAT :: POINTB)
+  ALLOCATE (NODE :: NDA)
+  ALLOCATE (NODE :: NDB)
+
+  POINTA%NN = 5
+  NDA%PT => POINTA
+  NDA%KEY = 2
+  POINTB%NN = 10
+  NDB%PT => POINTB
+  NDB%KEY = 3
+
+  if (.NOT. NDA .LT. NDB) call abort()
+END
+
+! { dg-final { cleanup-modules "DAT_MOD NODE_MOD" } }