Prevent crashing during non critical logging at rotation (#1770)

TextureGroup · Feb 11, 2020 · 7798440 · 7798440
1 parent 3674402
commit 7798440
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Source/Details/ASTraitCollection.mm b/Source/Details/ASTraitCollection.mm
@@ -244,7 +244,9 @@ BOOL ASPrimitiveTraitCollectionIsEqualToASPrimitiveTraitCollection(ASPrimitiveTr
   }
   if (AS_AVAILABLE_IOS(10)) {
     [props addObject:@{ @"layoutDirection": AS_NSStringFromUITraitEnvironmentLayoutDirection(traits.layoutDirection) }];
-    [props addObject:@{ @"preferredContentSizeCategory": traits.preferredContentSizeCategory }];
+    if (traits.preferredContentSizeCategory != nil) {
+      [props addObject:@{ @"preferredContentSizeCategory": traits.preferredContentSizeCategory }];
+    }
     [props addObject:@{ @"displayGamut": AS_NSStringFromUIDisplayGamut(traits.displayGamut) }];
   }