diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/PsiJetFunctionStub.java b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/PsiJetFunctionStub.java
index cb17f51a2e8..df6ea547d2a 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/PsiJetFunctionStub.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/PsiJetFunctionStub.java
@@ -20,17 +20,12 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.psi.JetNamedFunction;
 
 public interface PsiJetFunctionStub extends PsiJetStubWithFqName<JetNamedFunction> {
-    /**
-     * Is function defined in directly in package.
-     * @return
-     */
     boolean isTopLevel();
 
-    /**
-     * Does function extends some type.
-     */
     boolean isExtension();
 
+    boolean hasBlockBody();
+
     @NotNull
     String[] getAnnotations();
 }
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetFunctionElementType.java b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetFunctionElementType.java
index e6422861299..4d09ceb8a29 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetFunctionElementType.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/elements/JetFunctionElementType.java
@@ -55,7 +55,8 @@ public class JetFunctionElementType extends JetStubElementType<PsiJetFunctionStu
         boolean isTopLevel = psi.getParent() instanceof JetFile;
         boolean isExtension = psi.getReceiverTypeRef() != null;
         FqName fqName = ResolveSessionUtils.safeFqNameForLazyResolve(psi);
-        return new PsiJetFunctionStubImpl(parentStub, psi.getName(), isTopLevel, fqName, isExtension);
+        boolean hasBlockBody = psi.hasBlockBody();
+        return new PsiJetFunctionStubImpl(parentStub, psi.getName(), isTopLevel, fqName, isExtension, hasBlockBody);
     }
 
     @Override
@@ -67,6 +68,7 @@ public class JetFunctionElementType extends JetStubElementType<PsiJetFunctionStu
         dataStream.writeName(fqName != null ? fqName.asString() : null);
 
         dataStream.writeBoolean(stub.isExtension());
+        dataStream.writeBoolean(stub.hasBlockBody());
     }
 
     @NotNull
@@ -79,8 +81,9 @@ public class JetFunctionElementType extends JetStubElementType<PsiJetFunctionStu
         FqName fqName = fqNameAsString != null ? new FqName(fqNameAsString.toString()) : null;
 
         boolean isExtension = dataStream.readBoolean();
+        boolean hasBlockBody = dataStream.readBoolean();
 
-        return new PsiJetFunctionStubImpl(parentStub, name, isTopLevel, fqName, isExtension);
+        return new PsiJetFunctionStubImpl(parentStub, name, isTopLevel, fqName, isExtension, hasBlockBody);
     }
 
     @Override
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/impl/PsiJetFunctionStubImpl.java b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/impl/PsiJetFunctionStubImpl.java
index bb56e5be6ad..9428514c0e3 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/impl/PsiJetFunctionStubImpl.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/psi/stubs/impl/PsiJetFunctionStubImpl.java
@@ -33,15 +33,17 @@ public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implement
     private final boolean isTopLevel;
     private final boolean isExtension;
     private final FqName fqName;
+    private final boolean hasBlockBody;
 
     public PsiJetFunctionStubImpl(
             @NotNull StubElement parent,
             @Nullable String name,
             boolean isTopLevel,
             @Nullable FqName fqName,
-            boolean isExtension
+            boolean isExtension,
+            boolean hasBlockBody
     ) {
-        this(parent, StringRef.fromString(name), isTopLevel, fqName, isExtension);
+        this(parent, StringRef.fromString(name), isTopLevel, fqName, isExtension, hasBlockBody);
     }
 
     public PsiJetFunctionStubImpl(
@@ -49,7 +51,8 @@ public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implement
             @Nullable StringRef nameRef,
             boolean isTopLevel,
             @Nullable FqName fqName,
-            boolean isExtension
+            boolean isExtension,
+            boolean hasBlockBody
     ) {
         super(parent, JetStubElementTypes.FUNCTION);
 
@@ -61,6 +64,7 @@ public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implement
         this.fqName = fqName;
         this.isTopLevel = isTopLevel;
         this.isExtension = isExtension;
+        this.hasBlockBody = hasBlockBody;
     }
 
     @Override
@@ -78,6 +82,11 @@ public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implement
         return isExtension;
     }
 
+    @Override
+    public boolean hasBlockBody() {
+        return hasBlockBody;
+    }
+
     @NotNull
     @Override
     public String[] getAnnotations() {
@@ -99,6 +108,10 @@ public class PsiJetFunctionStubImpl extends StubBase<JetNamedFunction> implement
             builder.append("ext ");
         }
 
+        if (!hasBlockBody) {
+            builder.append("no block body ");
+        }
+
         builder.append("name=").append(getName());
 
         builder.append("]");