From 8eef8ffa17311dd22a7a7dd1f57a8f6f3457f2a6 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Fri, 12 May 2017 20:19:51 +0300
Subject: [PATCH] diagnostics

---
 .../src/com/intellij/psi/impl/search/LowLevelSearchUtil.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/indexing-impl/src/com/intellij/psi/impl/search/LowLevelSearchUtil.java b/platform/indexing-impl/src/com/intellij/psi/impl/search/LowLevelSearchUtil.java
index 6f5f5f403b97..9d7b11813ffe 100644
--- a/platform/indexing-impl/src/com/intellij/psi/impl/search/LowLevelSearchUtil.java
+++ b/platform/indexing-impl/src/com/intellij/psi/impl/search/LowLevelSearchUtil.java
@@ -79,7 +79,7 @@ public class LowLevelSearchUtil {
                                            @NotNull ProgressIndicator progress,
                                            TreeElement lastElement) {
     if (scope instanceof PsiCompiledElement) {
-      throw new IllegalArgumentException("Scope is compiled, can't scan: "+scope);
+      throw new IllegalArgumentException("Scope is compiled, can't scan: "+scope+"; containingFile: "+scope.getContainingFile());
     }
     final int scopeStartOffset = scope.getTextRange().getStartOffset();
     final int patternLength = searcher.getPatternLength();