From 7bad4583a4042f3dfff3b911468bf9b540ace92d Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Mon, 1 Feb 2016 18:06:50 +0300
Subject: [PATCH] overload resolution: ensure validity of isApplicable call if
 there is exactly one potentially applicable method

---
 .../src/com/intellij/psi/infos/MethodCandidateInfo.java      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/java/java-psi-api/src/com/intellij/psi/infos/MethodCandidateInfo.java b/java/java-psi-api/src/com/intellij/psi/infos/MethodCandidateInfo.java
index 7cde939bf327..5a896d6d1245 100644
--- a/java/java-psi-api/src/com/intellij/psi/infos/MethodCandidateInfo.java
+++ b/java/java-psi-api/src/com/intellij/psi/infos/MethodCandidateInfo.java
@@ -125,6 +125,11 @@ public class MethodCandidateInfo extends CandidateInfo{
     final PsiMethod method = getElement();
     
     if (isToInferApplicability()) {
+      if (!isOverloadCheck()) {
+        //ensure applicability check is performed
+        getSubstitutor(false);
+      }
+
       //already performed checks, so if inference failed, error message should be saved  
       if (myInferenceError != null || !isPotentiallyCompatible()) {
         return ApplicabilityLevel.NOT_APPLICABLE;