I feel like my clang is especially sensitive to unused variables.

tests/PathOpsAngleTest.cpp

Index: tests/PathOpsAngleTest.cpp
diff --git a/tests/PathOpsAngleTest.cpp b/tests/PathOpsAngleTest.cpp
index 6037592997b7504eddddb6c1068dd2f63e891e87..e1fb038a24bddc40ac561c05017045fd0f5e48cb 100644
--- a/tests/PathOpsAngleTest.cpp
+++ b/tests/PathOpsAngleTest.cpp
@@ -169,12 +169,12 @@ static const SortSet set12[] = {
     {lines[9], 2, 0.5, 0, {0, 0}},
 };
 
-static const SortSet set13[] = {
+/*static const SortSet set13[] = {
     {cubics[13], 4, 0.5, 0.400631046, {0, 0}},
     {lines[10], 2, 0.791666667, 0.928, {0, 0}},
     {lines[10], 2, 0.791666667, 0.333333333, {0, 0}},
     {cubics[13], 4, 0.5, 0.866666667, {0, 0}},
-};
+};*/
 
 static const SortSet set14[] = {
     {quads[2], 3, 0.5, 0.310102051, {0, 0}},