From 6da24deec5b322ee5001ace96f211e78aa7a2d6c Mon Sep 17 00:00:00 2001
From: Vladimir Dolzhenko <vladimir.dolzhenko@jetbrains.com>
Date: Mon, 6 Jan 2020 18:03:05 +0100
Subject: [PATCH] Fix renaming class according to a file name when file name
 has no name (but extension)

#EA-219715 Fixed
---
 .../idea/intentions/RenameClassToContainingFileNameIntention.kt  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/idea/src/org/jetbrains/kotlin/idea/intentions/RenameClassToContainingFileNameIntention.kt b/idea/src/org/jetbrains/kotlin/idea/intentions/RenameClassToContainingFileNameIntention.kt
index e6f67038a02..f5ee261db9e 100644
--- a/idea/src/org/jetbrains/kotlin/idea/intentions/RenameClassToContainingFileNameIntention.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/intentions/RenameClassToContainingFileNameIntention.kt
@@ -22,6 +22,7 @@ class RenameClassToContainingFileNameIntention : SelfTargetingRangeIntention<KtC
         if (!element.isTopLevel()) return null
         val fileName = FileUtil.getNameWithoutExtension(element.containingKtFile.name)
         if (fileName == element.name
+            || fileName.isEmpty()
             || fileName[0].isLowerCase()
             || !Name.isValidIdentifier(fileName)
             || Name.identifier(fileName).render() != fileName