4 files changed, 118 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f77d27c..f7e647c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2017-07-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/81581
+	* gfortran.dg/dim_sum_1.f90: New test case.
+	* gfortran.dg/dim_sum_2.f90: New test case.
+	* gfortran.dg/dim_sum_3.f90: New test case.
+
 2017-07-31  Martin Liska  <mliska@suse.cz>
 
 	* gcc.dg/builtin-unreachable-6.c: Update scanned patterns.
diff --git a/gcc/testsuite/gfortran.dg/dim_sum_1.f90 b/gcc/testsuite/gfortran.dg/dim_sum_1.f90
new file mode 100644
index 0000000..b2fb943
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dim_sum_1.f90
@@ -0,0 +1,37 @@
+! { dg-do  run }
+! { dg-shouldfail "Dim argument incorrect in SUM intrinsic: is 5, should be between 1 and 2" }
+
+program summation
+
+  integer, parameter :: n1=5, n2=7
+  integer, dimension(1:n1,1:n2) :: arr
+  integer, dimension(1:n1) :: r2
+  integer, dimension(1:n2) :: r1
+  integer :: i,j
+  character(len=80) :: c1, c2
+  character(len=50) :: fmt = '(10I5)'
+  do j=1,n2
+     do i=1,n1
+        arr(i,j) = i+j*10
+     end do
+  end do
+  
+  r1 = sum(arr,dim=1)
+  write (unit=c2, fmt=fmt) r1
+  call print_sum(1,c1)
+  if (c1 /= c2) call abort
+  r2 = sum(arr,dim=2)
+  write (unit=c2, fmt=fmt) r2
+  call print_sum(2,c1)
+  if (c1 /= c2) call abort
+  call print_sum(5,c1)
+
+contains
+
+  subroutine print_sum(d, c)
+    integer, intent(in) :: d
+    character(len=80), intent(out) :: c
+    write (unit=c, fmt=fmt) sum(arr,dim=d)
+   end subroutine
+
+end
diff --git a/gcc/testsuite/gfortran.dg/dim_sum_2.f90 b/gcc/testsuite/gfortran.dg/dim_sum_2.f90
new file mode 100644
index 0000000..6290444
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dim_sum_2.f90
@@ -0,0 +1,37 @@
+! { dg-do  run }
+! { dg-shouldfail "Dim argument incorrect in SUM intrinsic: is 5, should be between 1 and 2" }
+
+program summation
+
+  integer, parameter :: n1=5, n2=7
+  integer, dimension(1:n1,1:n2) :: arr
+  integer, dimension(1:n1) :: r2
+  integer, dimension(1:n2) :: r1
+  integer :: i,j
+  character(len=80) :: c1, c2
+  character(len=50) :: fmt = '(10I5)'
+  do j=1,n2
+     do i=1,n1
+        arr(i,j) = i+j*10
+     end do
+  end do
+  
+  r1 = sum(arr,dim=1,mask=arr>23)
+  write (unit=c2, fmt=fmt) r1
+  call print_sum(1,c1)
+  if (c1 /= c2) call abort
+  r2 = sum(arr,dim=2,mask=arr>23)
+  write (unit=c2, fmt=fmt) r2
+  call print_sum(2,c1)
+  if (c1 /= c2) call abort
+  call print_sum(5,c1)
+
+contains
+
+  subroutine print_sum(d, c)
+    integer, intent(in) :: d
+    character(len=80), intent(out) :: c
+    write (unit=c, fmt=fmt) sum(arr,dim=d,mask=arr>23)
+   end subroutine
+
+end
diff --git a/gcc/testsuite/gfortran.dg/dim_sum_3.f90 b/gcc/testsuite/gfortran.dg/dim_sum_3.f90
new file mode 100644
index 0000000..2661b37
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dim_sum_3.f90
@@ -0,0 +1,37 @@
+! { dg-do  run }
+! { dg-shouldfail "Dim argument incorrect in SUM intrinsic: is 5, should be between 1 and 2" }
+
+program summation
+
+  integer, parameter :: n1=5, n2=7
+  integer, dimension(1:n1,1:n2) :: arr
+  integer, dimension(1:n1) :: r2
+  integer, dimension(1:n2) :: r1
+  integer :: i,j
+  character(len=80) :: c1, c2
+  character(len=50) :: fmt = '(10I5)'
+  do j=1,n2
+     do i=1,n1
+        arr(i,j) = i+j*10
+     end do
+  end do
+  
+  r1 = sum(arr,dim=1,mask=.true.)
+  write (unit=c2, fmt=fmt) r1
+  call print_sum(1,c1)
+  if (c1 /= c2) call abort
+  r2 = sum(arr,dim=2,mask=.true.)
+  write (unit=c2, fmt=fmt) r2
+  call print_sum(2,c1)
+  if (c1 /= c2) call abort
+  call print_sum(5,c1)
+
+contains
+
+  subroutine print_sum(d, c)
+    integer, intent(in) :: d
+    character(len=80), intent(out) :: c
+    write (unit=c, fmt=fmt) sum(arr,dim=d,mask=.true.)
+   end subroutine
+
+end