Workaround non-Darwin platform build issue

Tracked with #39

Author: Kyle-Ye

Sources/OpenSwiftUI/DataAndStorage/ModelData/DynamicProperty/DynamicProperty.swift

@@ -87,6 +87,9 @@ extension DynamicProperty {
     }
 }
 
+// FIXME: Compile crash on non-ObjectiveC platform
+// https://github.com/OpenSwiftUIProject/OpenSwiftUI/issues/39
+#if canImport(Darwin)
 extension BodyAccessor {
     func makeBody(
         container: _GraphValue<Container>,
@@ -234,3 +237,4 @@ extension DynamicBody: StatefulRule {
         // TODO
     }
 }
+#endif

Sources/OpenSwiftUI/Internal/Graph/GraphInputs.swift

@@ -8,8 +8,8 @@ public struct _GraphInputs {
     var transaction: Attribute<Transaction>
     var changedDebugProperties: _ViewDebug.Properties
     var options: _GraphInputs.Options
-    // FIXME: Compile crash on Linux
-    // https://github.com/apple/swift/issues/71086
+    // FIXME: Compile crash on non-Darwin platform
+    // https://github.com/OpenSwiftUIProject/OpenSwiftUI/issues/39
     #if canImport(Darwin)
     var mergedInputs: Set<OGAttribute>
     #endif