KT-604 Internal frontend error

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/FunctionDescriptorUtil.java

@@ -83,10 +83,10 @@ public class FunctionDescriptorUtil {
         return parameterScope;
     }
 
-    public static void initializeFromFunctionType(@NotNull FunctionDescriptorImpl functionDescriptor, @NotNull JetType functionType) {
+    public static void initializeFromFunctionType(@NotNull FunctionDescriptorImpl functionDescriptor, @NotNull JetType functionType, @NotNull ReceiverDescriptor expectedThisObject) {
         assert JetStandardClasses.isFunctionType(functionType);
         functionDescriptor.initialize(JetStandardClasses.getReceiverType(functionType),
-                                      ReceiverDescriptor.NO_RECEIVER,
+                                      expectedThisObject,
                                       Collections.<TypeParameterDescriptor>emptyList(),
                                       JetStandardClasses.getValueParameters(functionDescriptor, functionType),
                                       JetStandardClasses.getReturnTypeFromFunctionType(functionType),

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/VariableAsFunctionDescriptor.java

@@ -14,7 +14,7 @@ public class VariableAsFunctionDescriptor extends FunctionDescriptorImpl {
         JetType outType = variableDescriptor.getOutType();
         assert outType != null;
         VariableAsFunctionDescriptor result = new VariableAsFunctionDescriptor(variableDescriptor);
-        FunctionDescriptorUtil.initializeFromFunctionType(result, outType);
+        FunctionDescriptorUtil.initializeFromFunctionType(result, outType, variableDescriptor.getExpectedThisObject());
         return result;
     }
 

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallResolver.java

@@ -185,7 +185,7 @@ public class CallResolver {
                 }
                 
                 FunctionDescriptorImpl functionDescriptor = new ExpressionAsFunctionDescriptor(scope.getContainingDeclaration(), "[for expression " + calleeExpression.getText() + "]");
-                FunctionDescriptorUtil.initializeFromFunctionType(functionDescriptor, calleeType);
+                FunctionDescriptorUtil.initializeFromFunctionType(functionDescriptor, calleeType, NO_RECEIVER);
                 ResolvedCallImpl<FunctionDescriptor> resolvedCall = ResolvedCallImpl.<FunctionDescriptor>create(functionDescriptor);
                 resolvedCall.setReceiverArgument(call.getExplicitReceiver());
                 prioritizedTasks = Collections.singletonList(new ResolutionTask<FunctionDescriptor>(

compiler/testData/checkerWithErrorTypes/quick/regressions/kt604.jet

@@ -0,0 +1,20 @@
+// KT-604 Internal frontend error
+
+trait ChannelPipeline {
+
+}
+
+class DefaultChannelPipeline() : ChannelPipeline {
+}
+
+trait ChannelPipelineFactory{
+    fun getPipeline() : ChannelPipeline
+}
+
+class StandardPipelineFactory(val config: fun ChannelPipeline.():Unit) : ChannelPipelineFactory {
+    override fun getPipeline() : ChannelPipeline {
+        val pipeline = DefaultChannelPipeline()
+        pipeline.config ()
+        return pipeline
+    }
+}