1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/gomp/collapse1.f90 b/gcc/testsuite/gfortran.dg/gomp/collapse1.f90
new file mode 100644
index 000000000..f16a780ad
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/collapse1.f90
@@ -0,0 +1,57 @@
+! { dg-do compile }
+! { dg-options "-fopenmp" }
+
+subroutine collapse1
+  integer :: i, j, k, a(1:3, 4:6, 5:7)
+  real :: r
+  logical :: l
+  integer, save :: thr
+  !$omp threadprivate (thr)
+  l = .false.
+  a(:, :, :) = 0
+  !$omp parallel do collapse(4) schedule(static, 4) ! { dg-error "not enough DO loops for collapsed" }
+    do i = 1, 3
+      do j = 4, 6
+        do k = 5, 7
+          a(i, j, k) = i + j + k
+        end do
+      end do
+    end do
+  !$omp parallel do collapse(2)
+    do i = 1, 5, 2
+      do j = i + 1, 7, i	! { dg-error "collapsed loops don.t form rectangular iteration space" }
+      end do
+    end do
+  !$omp parallel do collapse(2) shared(j)
+    do i = 1, 3
+      do j = 4, 6		! { dg-error "iteration variable present on clause other than PRIVATE or LASTPRIVATE" }
+      end do
+    end do
+  !$omp parallel do collapse(2)
+    do i = 1, 3
+      do j = 4, 6
+      end do
+      k = 4
+    end do
+  !$omp parallel do collapse(2)
+    do i = 1, 3
+      do			! { dg-error "cannot be a DO WHILE or DO without loop control" }
+      end do
+    end do
+  !$omp parallel do collapse(2)
+    do i = 1, 3
+      do r = 4, 6		! { dg-warning "must be integer" }
+      end do
+    end do
+end subroutine collapse1
+
+subroutine collapse1_2
+  integer :: i
+  !$omp parallel do collapse(2)
+    do i = -6, 6		! { dg-error "cannot be redefined inside loop beginning" }
+      do i = 4, 6		! { dg-error "collapsed loops don.t form rectangular iteration space|cannot be redefined" }
+      end do
+    end do
+end subroutine collapse1_2
+
+! { dg-error "iteration variable must be of type integer" "integer" { target *-*-* } 43 }