--- a/Collection.st	Mon Jul 17 17:02:48 2017 +0200
+++ b/Collection.st	Mon Jul 17 17:12:37 2017 +0200
@@ -275,6 +275,7 @@
     ^ self newWithSize:n
 ! !
 
+
 !Collection class methodsFor:'Signal constants'!
 
 emptyCollectionSignal
@@ -557,6 +558,7 @@
     "Created: / 22-10-2008 / 21:29:27 / cg"
 ! !
 
+
 !Collection methodsFor:'accessing'!
 
 anElement
@@ -808,6 +810,8 @@
 
     |theLastOne any|
 
+    Logger info:'slow last (uses enumeration)'.
+    
     any := false.
     self do:[:e | any := true. theLastOne := e].
     any ifTrue:[
@@ -816,6 +820,8 @@
 
     "error if collection is empty"
     ^ self emptyCollectionError
+
+    "Modified: / 17-07-2017 / 17:12:24 / cg"
 !
 
 last:n
@@ -924,6 +930,8 @@
 
     |theSecondLastOne theLastOne cnt|
 
+    Logger info:'slow secondLast (uses enumeration)'.
+
     cnt := 0.
     
     self do:[:e | cnt := cnt+1. theSecondLastOne := theLastOne. theLastOne := e].
@@ -933,6 +941,8 @@
 
     "error if collection did not enumerate at least 2 elements"
     ^ self notEnoughElementsError
+
+    "Modified: / 17-07-2017 / 17:12:28 / cg"
 !
 
 seventh
@@ -6065,6 +6075,7 @@
     ^ aVisitor visitCollection:self with:aParameter
 ! !
 
+
 !Collection class methodsFor:'documentation'!
 
 version