Fix prototype JVM BE tests

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/LocalFunctionsLowering.kt

@@ -214,7 +214,7 @@ class LocalFunctionsLowering(val context: BackendContext): DeclarationContainerL
 
             return if (oldCallee.typeParameters.isEmpty())
                 null
-            else oldCallee.typeParameters.associateBy(
+            else oldCallee.original.typeParameters.associateBy(
                     { newCallee.typeParameters[it.index] },
                     { oldExpression.getTypeArgument(it)!! }
             )

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ClassCodegen.kt

@@ -136,6 +136,7 @@ class ClassCodegen private constructor(val irClass: IrClass, val context: JvmBac
     }
 
     fun generateMethod(method: IrFunction) {
+        if (method.descriptor.kind == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) return
         FunctionCodegen(method, this).generate()
     }