Addition of test in which the problem now occurs.

benchmarks/occ/occ_sphere.geo

+// This example shows the possibility of inserting embedded points and lines on
+// periodic surfaces
+
+SetFactory("OpenCASCADE");
+Sphere(1) = {0, 0, 0, 0.5, -Pi/2, Pi/2, 2*Pi};
+
+Characteristic Length {1, 2} = 1.0;
+Mesh.CharacteristicLengthFactor = 1.0;
+
+Mesh.Algorithm = 6; // Frontal
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