From 06a0154b75966ee321c41334bc8b74b2b1e5ecbf Mon Sep 17 00:00:00 2001
From: Valentin Kipyatkov <valentin@jetbrains.com>
Date: Mon, 5 Oct 2015 20:34:46 +0300
Subject: [PATCH] Fixed crash

---
 .../idea/parameterInfo/KotlinFunctionParameterInfoHandler.kt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/parameterInfo/KotlinFunctionParameterInfoHandler.kt b/idea/src/org/jetbrains/kotlin/idea/parameterInfo/KotlinFunctionParameterInfoHandler.kt
index 8633289c86f..a91f6f33d3e 100644
--- a/idea/src/org/jetbrains/kotlin/idea/parameterInfo/KotlinFunctionParameterInfoHandler.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/parameterInfo/KotlinFunctionParameterInfoHandler.kt
@@ -141,8 +141,11 @@ class KotlinFunctionParameterInfoHandler : ParameterInfoHandlerWithTabActionSupp
         val callElement = argumentList.parent as? JetCallElement ?: return false
         val call = callElement.getCall(bindingContext) ?: return false
 
+        val currentParameterIndex = context.currentParameterIndex
+        if (currentParameterIndex < 0) return false // by some strange reason we are invoked with currentParameterIndex == -1 during initialization
+
         val (argumentToParameter, highlightParameterIndex, isGrey) = matchCallWithSignature(
-                call, itemToShow, context.currentParameterIndex, bindingContext, argumentList.getResolutionFacade())
+                call, itemToShow, currentParameterIndex, bindingContext, argumentList.getResolutionFacade())
 
         val usedParameterIndices = HashSet<Int>()
         var namedMode = false
-- 
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