Pass GenerationState to generateClassSyntheticParts as it's more useful

compiler/backend/src/org/jetbrains/kotlin/codegen/ImplementationBodyCodegen.java

@@ -386,7 +386,7 @@ public class ImplementationBodyCodegen extends ClassBodyCodegen {
         genClosureFields(context.closure, v, typeMapper);
 
         for (ExpressionCodegenExtension extension : ExpressionCodegenExtension.Default.getInstances(state.getProject())) {
-            extension.generateClassSyntheticParts(v, bindingContext, myClass, descriptor);
+            extension.generateClassSyntheticParts(v, state, myClass, descriptor);
         }
     }
 

compiler/backend/src/org/jetbrains/kotlin/codegen/extensions/ExpressionCodegenExtension.kt

@@ -22,6 +22,7 @@ import org.jetbrains.org.objectweb.asm.commons.InstructionAdapter
 import org.jetbrains.kotlin.codegen.StackValue
 import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
 import org.jetbrains.kotlin.codegen.ClassBuilder
+import org.jetbrains.kotlin.codegen.state.GenerationState
 import org.jetbrains.kotlin.psi.JetClassOrObject
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.resolve.*
@@ -39,7 +40,7 @@ public trait ExpressionCodegenExtension {
 
     public fun generateClassSyntheticParts(
             classBuilder: ClassBuilder,
-            bindingContext: BindingContext,
+            state: GenerationState,
             classOrObject: JetClassOrObject,
             descriptor: ClassDescriptor
     ) {}