1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/argument_checking_3.f90 b/gcc/testsuite/gfortran.dg/argument_checking_3.f90
new file mode 100644
index 000000000..5f451bf6d
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/argument_checking_3.f90
@@ -0,0 +1,36 @@
+! { dg-do compile }
+!
+! PR fortran/30940
+program test
+implicit none
+interface
+  subroutine foo(a)
+     character(len=1),dimension(:) :: a
+  end subroutine foo
+  subroutine bar(a)
+     character(len=1),dimension(:,:) :: a
+  end subroutine bar
+  subroutine foobar(a)
+     character(len=1),dimension(4) :: a
+  end subroutine foobar
+  subroutine arr(a)
+     character(len=1),dimension(1,2,1,2) :: a
+  end subroutine arr
+end interface
+  character(len=2) :: len2
+  character(len=4) :: len4
+  len2 = '12'
+  len4 = '1234'
+
+  call foo(len2) ! { dg-error "Rank mismatch in argument" }
+  call foo("ca") ! { dg-error "Rank mismatch in argument" }
+  call bar("ca") ! { dg-error "Rank mismatch in argument" }
+  call foobar(len2) ! { dg-warning "contains too few elements" }
+  call foobar(len4)
+  call foobar("bar") ! { dg-warning "contains too few elements" }
+  call foobar("bar33")
+  call arr(len2) ! { dg-warning "contains too few elements" }
+  call arr(len4)
+  call arr("bar") ! { dg-warning "contains too few elements" }
+  call arr("bar33")
+end program test