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

tests/PathOpsAngleTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "PathOpsTestCommon.h"
 #include "SkOpSegment.h"
 #include "SkTArray.h"
 #include "Test.h"
@@ skipping 151 matching lines @@
     {cubics[12], 4, 0.5, 1, {0, 0}},
     {lines[8], 2, 0.5, 1, {0, 0}},
     {cubics[11], 4, 0.5, 0, {0, 0}},
     {lines[9], 2, 0.5, 1, {0, 0}},
     {cubics[12], 4, 0.5, 0, {0, 0}},
     {lines[8], 2, 0.5, 0, {0, 0}},
     {cubics[11], 4, 0.5, 1, {0, 0}},
     {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}},
     {quads[3], 3, 0.5, 0.2, {0, 0}},
     {quads[3], 3, 0.5, 0.770156212, {0, 0}},
     {quads[2], 3, 0.5, 0.7, {0, 0}},
 };
 
 /*static const SortSet set15[] = {
     {cubics[14], 4, 0.93081374, 1, {0, 0}},
@@ skipping 281 matching lines @@
     }
 }
 #endif
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS_SHORT(PathOpsAngleTest)
 
 DEFINE_TESTCLASS_SHORT(PathOpsAngleTestOne)
 
 // DEFINE_TESTCLASS_SHORT(PathOpsAngleFindSlop)