[T/GL] Disable tests for not up-to-date MSVC++.

Tests/GeoLib/TestLineSegmentIntersect2d.cpp

@@ -50,6 +50,13 @@ class LineSegmentIntersect2dTest : public testing::Test
 	ac::gtest_reporter gtest_reporter;
 };
 
+#if defined(_MSC_VER) && _MSC_VER < 1900
+// Compilers of MVS below 2015 do not support unrestricted unions. The
+// unrestricted union is used by autocheck to handle test data. The autocheck
+// workaround for MVS compilers (below version 2015) contains a bug and in the
+// consequence the tests crashes. For this reason the tests are disabled under
+// this environments.
+
 // Test the intersection of intersecting line segments. Line segments are chords
 // of the same circle that both contains the center of the circle. As a
 // consequence the center of the circle is the intersection point.
@@ -145,3 +152,5 @@ TEST_F(LineSegmentIntersect2dTest, ParallelIntersectingSegmentOrientation)
 	    ac::make_arbitrary(pair_segment_generator2),
 	    gtest_reporter);
 }
+
+#endif