fix pathops fuzz bugs

tests/PathOpsBuilderTest.cpp

Index: tests/PathOpsBuilderTest.cpp
diff --git a/tests/PathOpsBuilderTest.cpp b/tests/PathOpsBuilderTest.cpp
index e191ecee5ec1106fdbdb2be020f80daca2641b34..957cfc70c826e82701c54314afe2441a33334c68 100644
--- a/tests/PathOpsBuilderTest.cpp
+++ b/tests/PathOpsBuilderTest.cpp
@@ -301,3 +301,25 @@ DEF_TEST(Issue569540, reporter) {
     SkPath result;
     builder.resolve(&result);
 }
+
+DEF_TEST(SkOpBuilderFuzz665, reporter) {
+    SkPath path;
+    path.setFillType(SkPath::kEvenOdd_FillType);
+path.moveTo(SkBits2Float(0xcc4264a7), SkBits2Float(0x4bb12e50));  // -5.0959e+07f, 2.32235e+07f
+path.lineTo(SkBits2Float(0xcc4264b0), SkBits2Float(0x4bb12e48));  // -5.0959e+07f, 2.32234e+07f
+path.lineTo(SkBits2Float(0xcc4264a7), SkBits2Float(0x4bb12e50));  // -5.0959e+07f, 2.32235e+07f
+path.close();
+    SkPath path1(path);
+    path.reset();
+    path.setFillType(SkPath::kWinding_FillType);
+path.moveTo(SkBits2Float(0x43213333), SkBits2Float(0x43080000));  // 161.2f, 136
+path.lineTo(SkBits2Float(0x43038000), SkBits2Float(0x43080000));  // 131.5f, 136
+path.cubicTo(SkBits2Float(0x43038000), SkBits2Float(0x42f00000), SkBits2Float(0x42f16666), SkBits2Float(0x42d53333), SkBits2Float(0x42d3cccd), SkBits2Float(0x42cd6666));  // 131.5f, 120, 120.7f, 106.6f, 105.9f, 102.7f
+path.lineTo(SkBits2Float(0x42e33333), SkBits2Float(0x42940000));  // 113.6f, 74
+    SkPath path2(path);
+    SkOpBuilder builder;
+    builder.add(path1, kUnion_SkPathOp);
+    builder.add(path2, kUnion_SkPathOp);
+    SkPath result;
+    builder.resolve(&result);
+}