[core] Mark tile as incomplete while redoing placement

Author: jfirebaugh

package.json

@@ -24,7 +24,7 @@
     "lodash": "^4.16.4",
     "mapbox-gl": "mapbox/mapbox-gl-js#ab836206d415ca3a74257a3066d11a54ab2838cb",
     "mapbox-gl-style-spec": "mapbox/mapbox-gl-style-spec#49e8b407bdbbe6f7c92dbcb56d3d51f425fc2653",
-    "mapbox-gl-test-suite": "mapbox/mapbox-gl-test-suite#66397c8ee0426537d25e8d4cfcac134ca21a021b",
+    "mapbox-gl-test-suite": "mapbox/mapbox-gl-test-suite#bbe948a30c3879b77a220eaa1336f61d46db5953",
     "mkdirp": "^0.5.1",
     "node-cmake": "^1.2.1",
     "pixelmatch": "^4.0.2",

src/mbgl/tile/geometry_tile.cpp

@@ -61,6 +61,12 @@ void GeometryTile::setPlacementConfig(const PlacementConfig& desiredConfig) {
         return;
     }
 
+    // Mark the tile as pending again if it was complete before to prevent signaling a complete
+    // state despite pending parse operations.
+    if (availableData == DataAvailability::All) {
+        availableData = DataAvailability::Some;
+    }
+
     ++correlationID;
     requestedConfig = desiredConfig;
     worker.invoke(&GeometryTileWorker::setPlacementConfig, desiredConfig, correlationID);