Fix merge with debug info changes

Author: guillep

src/NewTools-Debugger/StDebugger.class.st

@@ -1610,8 +1610,7 @@ StDebugger >> updateStep [
 	self updateToolbar.
 
 	currentContext := self currentContext.
-	currentASTScope := currentContext compiledCode debugInfo
-		                   variablesAt: currentContext executedPC.
+	currentASTScope := currentContext temporaryVariables.
 	self flag: #DBG_INSPECTOR_UPDATE_BUG.
 	inspector getRawInspectorPresenterOrNil ifNotNil: [ :p |
 			previousContext == currentContext ifTrue: [ "otherwise, if contexts have changed, updating the stack has already updated all nodes.""Here it is necessary to update temporary nodes if we are still in the same context but in a different scope. This is possible when leaving or entering an optimized block scope."