1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/class_allocate_5.f90 b/gcc/testsuite/gfortran.dg/class_allocate_5.f90
new file mode 100644
index 000000000..592161ef5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/class_allocate_5.f90
@@ -0,0 +1,34 @@
+! { dg-do run }
+!
+! PR fortran/45451
+!
+! Contributed by Salvatore Filippone and Janus Weil
+!
+! Check that ALLOCATE with SOURCE= does a deep copy.
+!
+program bug23
+  implicit none
+
+  type  :: psb_base_sparse_mat
+    integer, allocatable :: irp(:)
+  end type psb_base_sparse_mat
+
+  class(psb_base_sparse_mat), allocatable  :: a 
+  type(psb_base_sparse_mat) :: acsr
+
+  allocate(acsr%irp(4)) 
+  acsr%irp(1:4) = (/1,3,4,5/)
+
+  write(*,*) acsr%irp(:)
+
+  allocate(a,source=acsr)
+
+  write(*,*) a%irp(:)
+
+  call move_alloc(acsr%irp, a%irp)
+
+  write(*,*) a%irp(:)
+
+  if (any (a%irp /= [1,3,4,5])) call abort()
+end program bug23
+