early exit in contribution changed

Author: intergalacticspacehighway

yoga/algorithm/grid/AutoPlacement.h

@@ -445,10 +445,10 @@ struct GridItem {
   // https://www.w3.org/TR/css-grid-1/#algo-baseline-shims
   float baselineShim = 0.0f;
   // Flags used for optimisations in TrackSizing
-  float crossesIntrinsicRow = false;
-  float crossesIntrinsicColumn = false;
-  float crossesFlexibleRow = false;
-  float crossesFlexibleColumn = false;
+  bool crossesIntrinsicRow = false;
+  bool crossesIntrinsicColumn = false;
+  bool crossesFlexibleRow = false;
+  bool crossesFlexibleColumn = false;
 
   GridItem(
       size_t columnStart,

yoga/algorithm/grid/TrackSizing.h

@@ -1833,6 +1833,10 @@ struct TrackSizing {
       Dimension dimension,
       CrossDimensionEstimator estimatorBefore,
       CrossDimensionEstimator estimatorAfter) {
+    auto hasNonFixedTracks = dimension == Dimension::Width ? hasNonFixedColumnTracks : hasNonFixedRowTracks;
+    if (!hasNonFixedTracks) {
+      return false;
+    }
     for (const auto& item : gridItems) {
       if (!item.crossesIntrinsicTrack(dimension)) {
         continue;