From 6e9d9c597b7800f0cff385ddc4cfb7ebacb4e8a7 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Fri, 1 Sep 2017 09:50:19 +0200
Subject: [PATCH] PsiFileImpl.mayReloadStub: do cheaper checks first

---
 .../src/com/intellij/psi/impl/source/PsiFileImpl.java        | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java b/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
index 9524ced4bb6d..e00c11fc7a63 100644
--- a/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
+++ b/platform/core-impl/src/com/intellij/psi/impl/source/PsiFileImpl.java
@@ -763,11 +763,14 @@ public abstract class PsiFileImpl extends ElementBase implements PsiFileEx, PsiF
   }
 
   private boolean mayReloadStub() {
+    if (getTreeElement() != null || useStrongRefs()) {
+      return false;
+    }
     StubTreeLoader loader = StubTreeLoader.getInstance();
     if (loader != null && loader.isStubReloadingProhibited()) {
       return false;
     }
-    return getTreeElement() == null && !useStrongRefs() && !hasUnbindableCachedPsi();
+    return !hasUnbindableCachedPsi();
   }
 
   private boolean hasUnbindableCachedPsi() {