cherry-pick https://codereview.chromium.org/2159223005

tests/PathTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include <cmath>
 #include "SkCanvas.h"
 #include "SkGeometry.h"
@@ skipping 4098 matching lines @@
             SkPath q;
             q.moveTo(10, 10);
             SkPathPriv::AddGenIDChangeListener(q, new ChangeListener(&changed));
             REPORTER_ASSERT(reporter, !changed);
         }
         // q went out of scope.
         REPORTER_ASSERT(reporter, changed);
     }
 };
 
+static void test_crbug_629455(skiatest::Reporter* reporter) {
+    SkPath path;
+    path.moveTo(0, 0);
+    path.cubicTo(SkBits2Float(0xcdcdcd00), SkBits2Float(0xcdcdcdcd),
+                 SkBits2Float(0xcdcdcdcd), SkBits2Float(0xcdcdcdcd),
+                 SkBits2Float(0x423fcdcd), SkBits2Float(0x40ed9341));
+//  AKA: cubicTo(-4.31596e+08f, -4.31602e+08f, -4.31602e+08f, -4.31602e+08f, 47.951f, 7.42423f);
+    path.lineTo(0, 0);
+
+    auto surface = SkSurface::MakeRasterN32Premul(100, 100);
+    SkPaint paint;
+    paint.setAntiAlias(true);
+    surface->getCanvas()->drawPath(path, paint);
+}
+
 static void test_interp(skiatest::Reporter* reporter) {
     SkPath p1, p2, out;
     REPORTER_ASSERT(reporter, p1.isInterpolatable(p2));
     REPORTER_ASSERT(reporter, p1.interpolate(p2, 0, &out));
     REPORTER_ASSERT(reporter, p1 == out);
     REPORTER_ASSERT(reporter, p1.interpolate(p2, 1, &out));
     REPORTER_ASSERT(reporter, p1 == out);
     p1.moveTo(0, 2);
     p1.lineTo(0, 4);
     REPORTER_ASSERT(reporter, !p1.isInterpolatable(p2));
@@ skipping 28 matching lines @@
 
 DEF_TEST(PathInterp, reporter) {
     test_interp(reporter);
 }
 
 DEF_TEST(PathContains, reporter) {
     test_contains(reporter);
 }
 
 DEF_TEST(Paths, reporter) {
+    test_crbug_629455(reporter);
     test_path_crbug364224();
 
     SkTSize<SkScalar>::Make(3,4);
 
     SkPath  p, empty;
     SkRect  bounds, bounds2;
     test_empty(reporter, p);
 
     REPORTER_ASSERT(reporter, p.getBounds().isEmpty());
 
@@ skipping 135 matching lines @@
     PathTest_Private::TestPathTo(reporter);
     PathRefTest_Private::TestPathRef(reporter);
     PathTest_Private::TestPathrefListeners(reporter);
     test_dump(reporter);
     test_path_crbug389050(reporter);
     test_path_crbugskia2820(reporter);
     test_skbug_3469(reporter);
     test_skbug_3239(reporter);
     test_bounds_crbug_513799(reporter);
 }