fix more expression tests

lib/typed/compiler/field_access.rb

@@ -8,7 +8,7 @@ module Typed
       clazz = Register.machine.space.get_class_by_name receiver.type
       field_name = statement.field.name
       index = clazz.instance_type.variable_index(field_name)
-      raise "field access, but no such field:#{field_name} for class #{clazz.name}" unless index
+      raise "no such field:#{field_name} for class #{clazz.name}:#{clazz.instance_type.inspect}" unless index
       value = use_reg(clazz.instance_type.type_at(index))
 
       add_code Register.get_slot(statement , receiver , index, value)

lib/typed/compiler/name_expression.rb

@@ -23,7 +23,7 @@ module Typed
       private
 
       def handle_local statement
-        index = @method.has_local( name )
+        index = @method.has_local( statement.name )
         raise "must define variable '#{name}' before using it" unless index
         frame = use_reg :Frame
         add_code Register.get_slot(statement , :message , :frame , frame )