Prevent gcc from optimizing away minimum bounding circle test fix

git-svn-id: http://svn.osgeo.org/postgis/trunk@14451 b70326c6-7e19-0410-871a-916f4a2858ee
geraldvienna · Nov 30, 2015 · 1c2fa14 · 1c2fa14
1 parent e817920
commit 1c2fa14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/liblwgeom/cunit/cu_minimum_bounding_circle.c b/liblwgeom/cunit/cu_minimum_bounding_circle.c
@@ -30,7 +30,7 @@ static void mbc_test(LWGEOM* g)
 		/* We need to store the distance in a variable before the assert so that 
 		 * it is rounded from its 80-bit representation (on x86) down to 64 bits. 
 		 * */
-		double d = distance2d_pt_pt(result->center, &p);
+		volatile double d = distance2d_pt_pt(result->center, &p);
 
 		CU_ASSERT_TRUE(d <= result->radius);
 	}