path ops -- fix skp bugs

This fixes a series of bugs discovered by running
the small set of Skia skp files through pathops
to flatten the clips.
Review URL: https://codereview.chromium.org/14798004

git-svn-id: http://skia.googlecode.com/svn/trunk@9042 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathOpsQuadLineIntersectionTest.cpp b/tests/PathOpsQuadLineIntersectionTest.cpp
index 37c8ef3..1615340 100644
--- a/tests/PathOpsQuadLineIntersectionTest.cpp
+++ b/tests/PathOpsQuadLineIntersectionTest.cpp
@@ -58,6 +58,8 @@
     SkDQuad quad;
     SkDLine line;
 } oneOffs[] = {
+    {{{{973, 507}, {973, 508.24264526367187}, {972.12158203125, 509.12161254882812}}},
+        {{{930, 467}, {973, 510}}}},
     {{{{369.848602, 145.680267}, {382.360413, 121.298294}, {406.207703, 121.298294}}},
         {{{406.207703, 121.298294}, {348.781738, 123.864815}}}}
     };
@@ -65,11 +67,11 @@
 static size_t oneOffs_count = SK_ARRAY_COUNT(oneOffs);
 
 static void testOneOffs(skiatest::Reporter* reporter) {
-    SkIntersections intersections;
     bool flipped = false;
     for (size_t index = 0; index < oneOffs_count; ++index) {
         const SkDQuad& quad = oneOffs[index].quad;
         const SkDLine& line = oneOffs[index].line;
+        SkIntersections intersections;
         int result = doIntersect(intersections, quad, line, flipped);
         for (int inner = 0; inner < result; ++inner) {
             double quadT = intersections[0][inner];