From 791f1182cd7fb7740899e49a02025655e4a10a59 Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Mon, 20 Feb 2017 10:14:26 +0100
Subject: [PATCH] modify resolveToReducedTrace

---
 src/ui/StepManager.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/ui/StepManager.js b/src/ui/StepManager.js
index cc7cdc4357..8f427e1f02 100644
--- a/src/ui/StepManager.js
+++ b/src/ui/StepManager.js
@@ -64,8 +64,13 @@ function StepManager (_parent, _traceManager) {
 
 StepManager.prototype.resolveToReducedTrace = function (value, incr) {
   if (this.parent.callTree.reducedTrace.length) {
-    var nextSource = utils.findLowerClosestBound(value, this.parent.callTree.reducedTrace)
-    nextSource = nextSource < this.parent.callTree.reducedTrace.length - 1 ? nextSource + incr : nextSource
+    var nextSource = utils.findClosestIndex(value, this.parent.callTree.reducedTrace)
+    nextSource = nextSource + incr
+    if (nextSource <= 0) {
+      nextSource = 0
+    } else if (nextSource > this.parent.callTree.reducedTrace.length) {
+      nextSource = this.parent.callTree.reducedTrace.length - 1
+    }
     return this.parent.callTree.reducedTrace[nextSource]
   }
   return value