1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/pr43866.f90 b/gcc/testsuite/gfortran.dg/pr43866.f90
new file mode 100644
index 00000000000..abfdaa1557f
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr43866.f90
@@ -0,0 +1,44 @@
+! PR middle-end/43866
+! { dg-do run }
+! { dg-options "-funswitch-loops -fbounds-check" }
+
+MODULE PR43866
+  IMPLICIT NONE
+  TYPE TT
+    REAL(KIND=4), DIMENSION(:,:), POINTER :: A
+    REAL(KIND=8), DIMENSION(:,:), POINTER :: B
+  END TYPE
+CONTAINS
+  SUBROUTINE FOO(M,X,Y,T)
+    TYPE(TT), POINTER :: M
+    INTEGER, INTENT(IN) :: Y, X
+    INTEGER :: C, D
+    LOGICAL :: T
+    REAL(KIND = 4), DIMENSION(:,:), POINTER :: P
+    REAL(KIND = 8), DIMENSION(:,:), POINTER :: Q
+
+    Q => M%B
+    P => M%A
+    DO C=1,X
+      DO D=C+1,Y
+        IF (T) THEN
+          P(D,C)=P(C,D)
+        ELSE
+          Q(D,C)=Q(C,D)
+        ENDIF
+      ENDDO
+    ENDDO
+  END SUBROUTINE FOO
+END MODULE PR43866
+
+  USE PR43866
+  TYPE(TT), POINTER :: Q
+  INTEGER, PARAMETER :: N=17
+  ALLOCATE (Q)
+  NULLIFY (Q%A)
+  ALLOCATE (Q%B(N,N))
+  Q%B=0
+  CALL FOO (Q,N,N,.FALSE.)
+END
+
+! { dg-final { cleanup-modules "pr43866" } }