Fix strange issue where setting UIView backgroundColor sets the layer to

opaque to false

Podfile.lock

@@ -52,4 +52,4 @@ SPEC CHECKSUMS:
 
 PODFILE CHECKSUM: 445046ac151568c694ff286684322273f0b597d6
 
-COCOAPODS: 1.6.1
+COCOAPODS: 1.6.0

Source/Private/ASDisplayNode+UIViewBridge.mm

@@ -511,7 +511,7 @@ - (void)layoutIfNeeded
 - (BOOL)isOpaque
 {
   _bridge_prologue_read;
-  return _getFromLayer(opaque);
+  return _getFromViewOrLayer(opaque, opaque);
 }
 
 
@@ -521,10 +521,11 @@ - (void)setOpaque:(BOOL)newOpaque
   BOOL shouldApply = ASDisplayNodeShouldApplyBridgedWriteToView(self);
 
   if (shouldApply) {
-    BOOL oldOpaque;
-    oldOpaque = _layer.opaque;
+    BOOL oldOpaque = _layer.opaque;
+    if (!_flags.layerBacked) {
+      _view.opaque = newOpaque;
+    }
     _layer.opaque = newOpaque;
-
     if (oldOpaque != newOpaque) {
       [self setNeedsDisplay];
     }

Source/Private/_ASPendingState.mm

@@ -1102,8 +1102,10 @@ - (void)applyToView:(UIView *)view withSpecialPropertiesHandling:(BOOL)specialPr
   if (flags.setTintColor)
     view.tintColor = self.tintColor;
 
-  if (flags.setOpaque)
+  if (flags.setOpaque) {
+    view.opaque = _flags.opaque;
     layer.opaque = _flags.opaque;
+  }
 
   if (flags.setHidden)
     view.hidden = _flags.hidden;

Tests/ASDisplayNodeTests.mm

@@ -1923,13 +1923,23 @@ - (void)checkBackgroundColorOpaqueRelationshipWithViewLoaded:(BOOL)loaded layerB
   }
 
   XCTAssertTrue(node.opaque, @"Node should start opaque");
-  XCTAssertTrue(node.layer.opaque, @"Node should start opaque");
+  if (isLayerBacked) {
+      XCTAssertTrue(node.layer.opaque, @"Set background color should not have made this layer not opaque");
+    } else {
+      XCTAssertTrue(node.view.opaque, @"Set background color should not have made this view not opaque");
+    }
 
-  node.backgroundColor = [UIColor blackColor];
+  node.backgroundColor = [UIColor clearColor];
+//  [node.view setNeedsDisplay];
 
   // This could be debated, but at the moment we differ from UIView's behavior to change the other property in response
   XCTAssertTrue(node.opaque, @"Set background color should not have made this not opaque");
-  XCTAssertTrue(node.layer.opaque, @"Set background color should not have made this not opaque");
+  if (isLayerBacked) {
+    XCTAssertTrue(node.layer.opaque, @"Set background color should not have made this layer not opaque");
+  } else {
+    XCTAssertTrue(node.view.opaque, @"Set background color should not have made this view not opaque");
+  }
+
 }
 
 - (void)testBackgroundColorOpaqueRelationshipView