From 859886de44b0ef0a1e213689ccc7cebde4ad4e18 Mon Sep 17 00:00:00 2001
From: Anton Makeev <Anton.Makeev@jetbrains.com>
Date: Thu, 18 Jun 2015 12:02:28 +0200
Subject: [PATCH] file references search should not rely on file language's
 case-sensitivity

---
 .../intellij/psi/impl/search/CachesBasedRefSearcher.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java b/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
index 56a2229e9fac..c09e67ccf6b9 100644
--- a/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
+++ b/platform/indexing-impl/src/com/intellij/psi/impl/search/CachesBasedRefSearcher.java
@@ -26,6 +26,7 @@ public class CachesBasedRefSearcher extends QueryExecutorBase<PsiReference, Refe
   @Override
   public void processQuery(@NotNull ReferencesSearch.SearchParameters p, @NotNull Processor<PsiReference> consumer) {
     final PsiElement refElement = p.getElementToSearch();
+    boolean caseSensitive = refElement.getLanguage().isCaseSensitive();
 
     String text = null;
     if (refElement instanceof PsiFileSystemItem && !(refElement instanceof SyntheticFileSystemItem)) {
@@ -33,6 +34,10 @@ public class CachesBasedRefSearcher extends QueryExecutorBase<PsiReference, Refe
       if (vFile != null) {
         text = vFile.getNameWithoutExtension();
       }
+      // We must not look for file references with the file language's case-sensitivity, 
+      // since case-sensitivity of the references themselves depends either on file system 
+      // or on the rules of the language of reference
+      caseSensitive = false;
     }
     else if (refElement instanceof PsiNamedElement) {
       text = ((PsiNamedElement)refElement).getName();
@@ -48,7 +53,7 @@ public class CachesBasedRefSearcher extends QueryExecutorBase<PsiReference, Refe
     }
     if (StringUtil.isNotEmpty(text)) {
       final SearchScope searchScope = p.getEffectiveSearchScope();
-      p.getOptimizer().searchWord(text, searchScope, refElement.getLanguage().isCaseSensitive(), refElement);
+      p.getOptimizer().searchWord(text, searchScope, caseSensitive, refElement);
     }
   }
 }
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