Don't update descendant visual rects on border radius change

third_party/WebKit/Source/core/paint/PrePaintTreeWalkTest.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutTreeAsText.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/ObjectPaintProperties.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/PaintPropertyTreePrinter.h"
@@ skipping 243 matching lines @@
   EXPECT_FALSE(child_paint_layer->NeedsPaintPhaseFloat());
 
   // This changes clips for absolute-positioned descendants of "child" but not
   // normal-position ones, which are already clipped to 50x50.
   parent->setAttribute(HTMLNames::classAttr, "clip");
   GetDocument().View()->UpdateAllLifecyclePhasesExceptPaint();
 
   EXPECT_TRUE(child_paint_layer->NeedsRepaint());
 }
 
+TEST_P(PrePaintTreeWalkTest, ClipChangeHasRadius) {
+  SetBodyInnerHTML(
+      "<style>"
+      "  #target {"
+      "    position: absolute;"
+      "    z-index: 0;"
+      "    overflow: hidden;"
+      "    width: 50px;"
+      "    height: 50px;"
+      "  }"
+      "</style>"
+      "<div id='target'></div>");
+
+  auto* target = GetDocument().GetElementById("target");
+  auto* target_object = ToLayoutBoxModelObject(target->GetLayoutObject());
+  target->setAttribute(HTMLNames::styleAttr, "border-radius: 5px");
+  GetDocument().View()->UpdateAllLifecyclePhasesExceptPaint();
+  EXPECT_TRUE(target_object->Layer()->NeedsRepaint());
+  // And should not trigger any assert failure.
+  GetDocument().View()->UpdateAllLifecyclePhases();
+}
+
 }  // namespace blink