Sadly TSAN still reports this as a race, even when we're obviously writing the

tests/PathOpsExtendedTest.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "PathOpsExtendedTest.h"
 #include "PathOpsThreadedCommon.h"
 #include "SkBitmap.h"
@@ skipping 429 matching lines @@
         showPathOpPath(one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
     }
     if (errors2x2 > MAX_ERRORS && gComparePathsAssert) {
         SkDebugf("%s errors=%d\n", __FUNCTION__, errors);
         showPathOpPath(one, two, a, b, scaledOne, scaledTwo, shapeOp, scale);
         REPORTER_ASSERT(reporter, 0);
     }
     return errors2x2 > MAX_ERRORS ? errors2x2 : 0;
 }
 
-static int testNumber;
-static const char* testName;
+// Default values for when reporter->verbose() is false.
+static int testNumber = 1;
+static const char* testName = "pathOpTest";
 
 static void writeTestName(const char* nameSuffix, SkMemoryWStream& outFile) {
     outFile.writeText(testName);
     outFile.writeDecAsText(testNumber);
     if (nameSuffix) {
         outFile.writeText(nameSuffix);
     }
 }
 
 static void outputToStream(const char* pathStr, const char* pathPrefix, const char* nameSuffix,
@@ skipping 186 matching lines @@
             size_t inLen = inData.count();
             inFile.read(inData.begin(), inLen);
             inFile.setPath(NULL);
             char* insert = strstr(inData.begin(), marker);
             if (insert) {
                 insert += sizeof(marker) - 1;
                 const char* numLoc = insert + 4 /* indent spaces */ + testNameSize - 1;
                 testNumber = atoi(numLoc) + 1;
             }
         }
-    } else {
-        testName = "pathOpTest";
-        testNumber = 1;
     }
     return reporter->allowThreaded() ? SkThreadPool::kThreadPerCore : 1;
 }
 
 void outputProgress(char* ramStr, const char* pathStr, SkPath::FillType pathFillType) {
     const char testFunction[] = "testSimplify(path);";
     const char* pathPrefix = NULL;
     const char* nameSuffix = NULL;
     if (pathFillType == SkPath::kEvenOdd_FillType) {
         pathPrefix = "    path.setFillType(SkPath::kEvenOdd_FillType);\n";
@@ skipping 38 matching lines @@
         }
         if (tests[index].fun == stopTest) {
             SkDebugf("lastTest\n");
         }
         if (index == last) {
             break;
         }
         index += reverse ? -1 : 1;
     } while (true);
 }