From 77a5238f3e5a408e0fa4adce66f85a2b6ebd5fb6 Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Wed, 30 May 2018 18:19:55 +0700
Subject: [PATCH] PsiDiamondTypeUtil#removeRedundantTypeArguments: short-cut if
 there are no type arguments

---
 .../src/com/intellij/psi/impl/PsiDiamondTypeUtil.java            | 1 +
 1 file changed, 1 insertion(+)

diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/PsiDiamondTypeUtil.java b/java/java-psi-impl/src/com/intellij/psi/impl/PsiDiamondTypeUtil.java
index ed91828c3e13..0ac53a61fcf2 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/PsiDiamondTypeUtil.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/PsiDiamondTypeUtil.java
@@ -356,6 +356,7 @@ public class PsiDiamondTypeUtil {
     PsiElementFactory factory = JavaPsiFacade.getInstance(element.getProject()).getElementFactory();
     for(PsiMethodCallExpression call : PsiTreeUtil.collectElementsOfType(element, PsiMethodCallExpression.class)) {
       PsiType[] arguments = call.getTypeArguments();
+      if (arguments.length == 0) continue;
       PsiMethod method = call.resolveMethod();
       if(method != null) {
         PsiTypeParameter[] parameters = method.getTypeParameters();