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				@@ -295,6 +295,7 @@ var $1,$2,$3,$4,$6,$5,$7,$8,$9; 
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				 $1=_st($IRClosure())._new(); 
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				 $ctx1.sendIdx["new"]=1; 
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				 _st($1)._arguments_(_st(aNode)._parameters()); 
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				+_st($1)._requiresSmalltalkContext_(_st(aNode)._requiresSmalltalkContext()); 
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				 $2=$1; 
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				 $3=_st(aNode)._scope(); 
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				 $ctx1.sendIdx["scope"]=1; 
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				@@ -324,8 +325,8 @@ $9=closure; 
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				 return $9; 
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				 }, function($ctx1) {$ctx1.fill(self,"visitBlockNode:",{aNode:aNode,closure:closure},globals.IRASTTranslator)})}, 
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				 args: ["aNode"], 
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				-source: "visitBlockNode: aNode\x0a\x09| closure |\x0a\x09closure := IRClosure new\x0a\x09\x09arguments: aNode parameters;\x0a\x09\x09scope: aNode scope;\x0a\x09\x09yourself.\x0a\x09aNode scope temps do: [ :each |\x0a\x09\x09closure add: (IRTempDeclaration new\x0a\x09\x09\x09name: each name;\x0a\x09\x09\x09scope: aNode scope;\x0a\x09\x09\x09yourself) ].\x0a\x09aNode nodes do: [ :each | closure add: (self visit: each) ].\x0a\x09^ closure", 
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				-messageSends: ["arguments:", "new", "parameters", "scope:", "scope", "yourself", "do:", "temps", "add:", "name:", "name", "nodes", "visit:"], 
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				+source: "visitBlockNode: aNode\x0a\x09| closure |\x0a\x09closure := IRClosure new\x0a\x09\x09arguments: aNode parameters;\x0a\x09\x09requiresSmalltalkContext: aNode requiresSmalltalkContext;\x0a\x09\x09scope: aNode scope;\x0a\x09\x09yourself.\x0a\x09aNode scope temps do: [ :each |\x0a\x09\x09closure add: (IRTempDeclaration new\x0a\x09\x09\x09name: each name;\x0a\x09\x09\x09scope: aNode scope;\x0a\x09\x09\x09yourself) ].\x0a\x09aNode nodes do: [ :each | closure add: (self visit: each) ].\x0a\x09^ closure", 
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				+messageSends: ["arguments:", "new", "parameters", "requiresSmalltalkContext:", "requiresSmalltalkContext", "scope:", "scope", "yourself", "do:", "temps", "add:", "name:", "name", "nodes", "visit:"], 
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				 referencedClasses: ["IRClosure", "IRTempDeclaration"] 
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				 }), 
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				 globals.IRASTTranslator); 
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				@@ -1285,7 +1286,7 @@ globals.IRScopedInstruction); 
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				-smalltalk.addClass('IRClosureInstruction', globals.IRScopedInstruction, ['arguments'], 'Compiler-IR'); 
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				+smalltalk.addClass('IRClosureInstruction', globals.IRScopedInstruction, ['arguments', 'requiresSmalltalkContext'], 'Compiler-IR'); 
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				 smalltalk.addMethod( 
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				 smalltalk.method({ 
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				 selector: "arguments", 
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				@@ -1348,6 +1349,44 @@ referencedClasses: [] 
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				 }), 
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				 globals.IRClosureInstruction); 
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				+smalltalk.addMethod( 
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				+smalltalk.method({ 
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				+selector: "requiresSmalltalkContext", 
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				+protocol: 'accessing', 
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				+fn: function (){ 
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				+var self=this; 
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				+return smalltalk.withContext(function($ctx1) {  
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				+var $2,$1; 
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				+$2=self["@requiresSmalltalkContext"]; 
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				+if(($receiver = $2) == nil || $receiver == null){ 
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				+$1=false; 
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				+} else { 
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				+$1=$2; 
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				+}; 
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				+return $1; 
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				+}, function($ctx1) {$ctx1.fill(self,"requiresSmalltalkContext",{},globals.IRClosureInstruction)})}, 
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				+args: [], 
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				+source: "requiresSmalltalkContext\x0a\x09^ requiresSmalltalkContext ifNil: [ false ]", 
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				+messageSends: ["ifNil:"], 
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				+referencedClasses: [] 
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				+}), 
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				+globals.IRClosureInstruction); 
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				+ 
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				+smalltalk.addMethod( 
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				+smalltalk.method({ 
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				+selector: "requiresSmalltalkContext:", 
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				+protocol: 'accessing', 
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				+fn: function (anObject){ 
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				+var self=this; 
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				+self["@requiresSmalltalkContext"]=anObject; 
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				+return self}, 
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				+args: ["anObject"], 
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				+source: "requiresSmalltalkContext: anObject\x0a\x09requiresSmalltalkContext := anObject", 
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				+messageSends: [], 
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				+referencedClasses: [] 
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				+}), 
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				+globals.IRClosureInstruction); 
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				+ 
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				 smalltalk.addMethod( 
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				 smalltalk.method({ 
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				 selector: "scope:", 
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				@@ -1567,44 +1606,6 @@ referencedClasses: [] 
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				 }), 
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				 globals.IRMethod); 
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				-smalltalk.addMethod( 
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				-smalltalk.method({ 
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				-selector: "requiresSmalltalkContext", 
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				-protocol: 'accessing', 
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				-fn: function (){ 
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				-var self=this; 
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				-return smalltalk.withContext(function($ctx1) {  
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				-var $2,$1; 
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				-$2=self["@requiresSmalltalkContext"]; 
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				-if(($receiver = $2) == nil || $receiver == null){ 
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				-$1=false; 
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				-} else { 
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				-$1=$2; 
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				-}; 
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				-return $1; 
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				-}, function($ctx1) {$ctx1.fill(self,"requiresSmalltalkContext",{},globals.IRMethod)})}, 
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				-args: [], 
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				-source: "requiresSmalltalkContext\x0a\x09^ requiresSmalltalkContext ifNil: [ false ]", 
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				-messageSends: ["ifNil:"], 
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				-referencedClasses: [] 
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				-}), 
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				-globals.IRMethod); 
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				- 
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				-smalltalk.addMethod( 
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				-smalltalk.method({ 
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				-selector: "requiresSmalltalkContext:", 
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				-protocol: 'accessing', 
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				-fn: function (anObject){ 
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				-var self=this; 
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				-self["@requiresSmalltalkContext"]=anObject; 
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				-return self}, 
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				-args: ["anObject"], 
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				-source: "requiresSmalltalkContext: anObject\x0a\x09requiresSmalltalkContext := anObject", 
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				-messageSends: [], 
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				-referencedClasses: [] 
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				-}), 
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				-globals.IRMethod); 
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				- 
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				 smalltalk.addMethod( 
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				 smalltalk.method({ 
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				 selector: "selector", 
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