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diff --git a/libgomp/testsuite/libgomp.fortran/task3.f90 b/libgomp/testsuite/libgomp.fortran/task3.f90
new file mode 100644
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+++ b/libgomp/testsuite/libgomp.fortran/task3.f90
@@ -0,0 +1,27 @@
+! { dg-do run }
+! { dg-options "-fopenmp" }
+!
+! PR fortran/47886
+!
+! Test case contributed by Bill Long
+
+!  derived from OpenMP test OMP3f/F03_2_7_1d.F90
+program F03_2_7_1d
+   use omp_lib
+   implicit none
+   integer, parameter :: NT = 4
+   integer :: sum = 0
+
+   call omp_set_num_threads(NT); 
+
+   !$omp parallel
+   !$omp task if(omp_get_num_threads() > 0)
+   !$omp atomic
+      sum = sum + 1
+   !$omp end task
+   !$omp end parallel
+   if (sum /= NT) then
+      print *, "FAIL - sum == ", sum, " (expected ", NT, ")"
+      call abort
+   end if
+end program F03_2_7_1d