From 6f8df7cba133c6e48b74ab2d9ec1f89b3efc160e Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Tue, 20 Nov 2018 13:18:59 +0100
Subject: [PATCH] action Presentation: don't copy to itself

---
 .../src/com/intellij/openapi/actionSystem/Presentation.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/Presentation.java b/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/Presentation.java
index de8a64dbc907..afb67589b7db 100644
--- a/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/Presentation.java
+++ b/platform/editor-ui-api/src/com/intellij/openapi/actionSystem/Presentation.java
@@ -314,6 +314,8 @@ public final class Presentation implements Cloneable {
   }
 
   public void copyFrom(Presentation presentation) {
+    if (presentation == this) return;
+
     setText(presentation.getTextWithMnemonic(), presentation.myDisplayedMnemonicIndex > -1);
     setDescription(presentation.getDescription());
     setIcon(presentation.getIcon());