Makes gtest report failures in ad hoc test assertions executed before RUN_ALL_TESTS().

src/gtest.cc

@@ -3999,7 +3999,9 @@ int UnitTestImpl::RunAllTests() {
   // Repeats forever if the repeat count is negative.
   const bool forever = repeat < 0;
   for (int i = 0; forever || i != repeat; i++) {
-    ClearResult();
+    // We want to preserve failures generated by ad-hoc test
+    // assertions executed before RUN_ALL_TESTS().
+    ClearNonAdHocTestResult();
 
     const TimeInMillis start = GetTimeInMillis();