1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/interface_10.f90 b/gcc/testsuite/gfortran.dg/interface_10.f90
new file mode 100644
index 000000000..99ecc8c85
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/interface_10.f90
@@ -0,0 +1,57 @@
+! { dg-do compile }
+! PR fortran/30683
+! Code contributed by Salvatore Filippone.
+!
+module class_fld
+   integer, parameter :: int_ = 1
+  integer, parameter :: bnd_ = 2
+  type fld
+     integer                 :: size(2)
+  end type fld
+  !
+  !  This interface is extending the SIZE intrinsic procedure,  
+  !  which led to a segmentation fault when trying to resolve
+  !  the intrinsic symbol name.
+  !
+  interface size
+     module procedure get_fld_size
+  end interface
+contains
+  function get_fld_size(f)
+    integer :: get_fld_size(2)
+    type(fld), intent(in) :: f
+    get_fld_size(int_) = f%size(int_)
+    get_fld_size(bnd_) = f%size(bnd_)
+  end function get_fld_size
+end module class_fld
+
+module class_s_fld
+  use class_fld
+  type s_fld
+     type(fld) :: base
+     real(kind(1.d0)), pointer :: x(:)  => null()
+  end type s_fld
+  interface x_
+     module procedure get_s_fld_x
+  end interface
+contains
+  function get_s_fld_x(fld)
+    real(kind(1.d0)), pointer :: get_s_fld_x(:)
+    type(s_fld), intent(in) :: fld
+    get_s_fld_x => fld%x
+  end function get_s_fld_x
+end module class_s_fld
+
+module class_s_foo
+contains
+  subroutine solve_s_foo(phi,var)
+    use class_s_fld
+    type(s_fld), intent(inout) :: phi
+    real(kind(1.d0)), intent(out), optional :: var
+    integer :: nsz
+    real(kind(1.d0)), pointer :: x(:)
+    x => x_(phi)
+    nsz=size(x)
+  end subroutine solve_s_foo
+end module class_s_foo
+! { dg-final { cleanup-modules "class_s_fld class_fld class_s_foo" } }