Don't lost diagnostics on real elements when processing fake resolveCall

compiler/frontend/src/org/jetbrains/jet/lang/resolve/DelegatedPropertyResolver.java

@@ -228,7 +228,7 @@ public class DelegatedPropertyResolver {
                                                                     dataFlowInfo, traceToResolveDelegatedProperty);
         traceToResolveDelegatedProperty.commit(new TraceEntryFilter() {
             @Override
-            public boolean accept(@NotNull WritableSlice<?, ?> slice, Object key) {
+            public boolean accept(@Nullable WritableSlice<?, ?> slice, Object key) {
                 return slice != CONSTRAINT_SYSTEM_COMPLETER;
             }
         }, true);

compiler/frontend/src/org/jetbrains/jet/lang/resolve/DelegatingBindingTrace.java

@@ -146,7 +146,9 @@ public class DelegatingBindingTrace implements BindingTrace {
         if (!commitDiagnostics) return;
 
         for (Diagnostic diagnostic : diagnostics) {
-            trace.report(diagnostic);
+            if (filter == null || filter.accept(null, diagnostic.getPsiElement())) {
+                trace.report(diagnostic);
+            }
         }
     }
 

compiler/frontend/src/org/jetbrains/jet/lang/resolve/TraceEntryFilter.java

@@ -16,9 +16,9 @@
 
 package org.jetbrains.jet.lang.resolve;
 
-import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.util.slicedmap.WritableSlice;
 
 public interface TraceEntryFilter {
-    boolean accept(@NotNull WritableSlice<?, ?> slice, Object key);
+    boolean accept(@Nullable WritableSlice<?, ?> slice, Object key);
 }

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ExpressionTypingUtils.java

@@ -380,11 +380,11 @@ public class ExpressionTypingUtils {
         if (results.isSuccess()) {
             fakeTrace.commit(new TraceEntryFilter() {
                 @Override
-                public boolean accept(@NotNull WritableSlice<?, ?> slice, Object key) {
+                public boolean accept(@Nullable WritableSlice<?, ?> slice, Object key) {
                     // excluding all entries related to fake expression
                     return key != fake;
                 }
-            }, false);
+            }, true);
         }
         return Pair.create(call, results);
     }