From d8918743c711bcb85c4940f1a229defdc3d66643 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 26 Jun 2015 18:02:00 +0200
Subject: [PATCH] don't search for methods in empty scope (EA-66886 - assert:
 JavaSourceFilterScope.<init>)

---
 .../com/intellij/psi/impl/search/MethodUsagesSearcher.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/java/java-indexing-impl/src/com/intellij/psi/impl/search/MethodUsagesSearcher.java b/java/java-indexing-impl/src/com/intellij/psi/impl/search/MethodUsagesSearcher.java
index 5d26c5cc6e83..8ab27b1b4286 100644
--- a/java/java-indexing-impl/src/com/intellij/psi/impl/search/MethodUsagesSearcher.java
+++ b/java/java-indexing-impl/src/com/intellij/psi/impl/search/MethodUsagesSearcher.java
@@ -22,6 +22,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.*;
+import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.search.SearchRequestCollector;
 import com.intellij.psi.search.SearchScope;
 import com.intellij.psi.search.UsageSearchContext;
@@ -73,6 +74,9 @@ public class MethodUsagesSearcher extends QueryExecutorBase<PsiReference, Method
         return p.getEffectiveSearchScope();
       }
     });
+    if (searchScope == GlobalSearchScope.EMPTY_SCOPE) {
+      return;
+    }
 
     if (isConstructor[0]) {
       new ConstructorReferencesSearchHelper(psiManager[0]).