Use a HashedCollection for Behavior>>protocolsDo:

js/Kernel-Classes.deploy.js

@@ -220,7 +220,7 @@ selector: 'protocolsDo:',
 fn: function (aBlock){
 var self=this;
 var methodsByCategory=nil;
-methodsByCategory=smalltalk.send((smalltalk.Dictionary || Dictionary), "_new", []);
+(methodsByCategory=smalltalk.send((smalltalk.HashedCollection || HashedCollection), "_new", []));
 smalltalk.send(smalltalk.send(smalltalk.send(self, "_methodDictionary", []), "_values", []), "_do_", [(function(m){return smalltalk.send(smalltalk.send(methodsByCategory, "_at_ifAbsentPut_", [smalltalk.send(m, "_category", []), (function(){return smalltalk.send((smalltalk.Array || Array), "_new", []);})]), "_add_", [m]);})]);
 smalltalk.send(smalltalk.send(self, "_protocols", []), "_do_", [(function(category){return smalltalk.send(aBlock, "_value_value_", [category, smalltalk.send(methodsByCategory, "_at_", [category])]);})]);
 return self;}

js/Kernel-Classes.js

@@ -311,14 +311,14 @@ category: 'accessing',
 fn: function (aBlock){
 var self=this;
 var methodsByCategory=nil;
-methodsByCategory=smalltalk.send((smalltalk.Dictionary || Dictionary), "_new", []);
+(methodsByCategory=smalltalk.send((smalltalk.HashedCollection || HashedCollection), "_new", []));
 smalltalk.send(smalltalk.send(smalltalk.send(self, "_methodDictionary", []), "_values", []), "_do_", [(function(m){return smalltalk.send(smalltalk.send(methodsByCategory, "_at_ifAbsentPut_", [smalltalk.send(m, "_category", []), (function(){return smalltalk.send((smalltalk.Array || Array), "_new", []);})]), "_add_", [m]);})]);
 smalltalk.send(smalltalk.send(self, "_protocols", []), "_do_", [(function(category){return smalltalk.send(aBlock, "_value_value_", [category, smalltalk.send(methodsByCategory, "_at_", [category])]);})]);
 return self;},
 args: ["aBlock"],
-source: unescape('protocolsDo%3A%20aBlock%0A%09%22Execute%20aBlock%20for%20each%20method%20category%20with%0A%09its%20collection%20of%20methods%20in%20the%20sort%20order%20of%20category%20name.%22%0A%0A%09%7C%20methodsByCategory%20%7C%0A%09methodsByCategory%20%3A%3D%20Dictionary%20new.%0A%09self%20methodDictionary%20values%20do%3A%20%5B%3Am%20%7C%0A%09%09%28methodsByCategory%20at%3A%20m%20category%20ifAbsentPut%3A%20%5BArray%20new%5D%29%0A%20%09%09%09add%3A%20m%5D.%20%0A%09self%20protocols%20do%3A%20%5B%3Acategory%20%7C%0A%09%09aBlock%20value%3A%20category%20value%3A%20%28methodsByCategory%20at%3A%20category%29%5D'),
+source: unescape('protocolsDo%3A%20aBlock%0A%09%22Execute%20aBlock%20for%20each%20method%20category%20with%0A%09its%20collection%20of%20methods%20in%20the%20sort%20order%20of%20category%20name.%22%0A%0A%09%7C%20methodsByCategory%20%7C%0A%09methodsByCategory%20%3A%3D%20HashedCollection%20new.%0A%09self%20methodDictionary%20values%20do%3A%20%5B%3Am%20%7C%0A%09%09%28methodsByCategory%20at%3A%20m%20category%20ifAbsentPut%3A%20%5BArray%20new%5D%29%0A%20%09%09%09add%3A%20m%5D.%20%0A%09self%20protocols%20do%3A%20%5B%3Acategory%20%7C%0A%09%09aBlock%20value%3A%20category%20value%3A%20%28methodsByCategory%20at%3A%20category%29%5D'),
 messageSends: ["new", "do:", "values", "methodDictionary", "add:", "at:ifAbsentPut:", "category", "protocols", "value:value:", "at:"],
-referencedClasses: ["Dictionary", "Array"]
+referencedClasses: ["HashedCollection", "Array"]
 }),
 smalltalk.Behavior);
 

st/Kernel-Classes.st

@@ -92,7 +92,7 @@ protocolsDo: aBlock
 	its collection of methods in the sort order of category name."
 
 	| methodsByCategory |
-	methodsByCategory := Dictionary new.
+	methodsByCategory := HashedCollection new.
 	self methodDictionary values do: [:m |
 		(methodsByCategory at: m category ifAbsentPut: [Array new])
  			add: m].