1 files changed, 68 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/class_9.f03 b/gcc/testsuite/gfortran.dg/class_9.f03
new file mode 100644
index 00000000000..5dbd4597abd
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+++ b/gcc/testsuite/gfortran.dg/class_9.f03
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+! { dg-do run }
+! Test the fix for PR41706, in which arguments of class methods that
+! were themselves class methods did not work.
+!
+! Contributed by Janus Weil <janus@gcc.gnu.org>
+!
+module m
+type :: t
+  real :: v = 1.5
+contains
+  procedure, nopass :: a
+  procedure, nopass :: b
+  procedure, pass :: c
+  procedure, nopass :: d
+end type
+
+contains
+
+  real function a (x)
+    real :: x
+    a = 2.*x
+  end function
+
+  real function b (x)
+    real :: x
+    b = 3.*x
+  end function
+
+  real function c (x)
+    class (t) :: x
+    c = 4.*x%v
+  end function
+
+  subroutine d (x)
+    real :: x
+    if (abs(x-3.0)>1E-3) call abort()
+  end subroutine
+
+  subroutine s (x)
+    class(t) :: x
+    real :: r
+    r = x%a (1.1)       ! worked
+    if (r .ne. a (1.1)) call abort
+
+    r = x%a (b (1.2))   ! worked
+    if (r .ne. a(b (1.2))) call abort
+
+    r = b ( x%a (1.3))  ! worked
+    if (r .ne. b(a (1.3))) call abort
+
+    r = x%a(x%b (1.4))   ! failed
+    if (r .ne. a(b (1.4))) call abort
+
+    r = x%a(x%c ())   ! failed
+    if (r .ne. a(c (x))) call abort
+
+    call x%d (x%a(1.5))  ! failed
+
+  end subroutine
+
+end
+
+  use m
+  class(t),allocatable :: x
+  allocate(x)
+  call s (x)
+end
+! { dg-final { cleanup-modules "m" } }