get block resolution to use the extra

block_compiler puts in the extra, that we get out when resolving the type
Thus block args work, though only by assuming direct call

test/arm/helper.rb

@@ -15,6 +15,7 @@ module Arm
   end
   module ArmHelper
     def setup
+      Parfait.boot!
       @machine = Arm::ArmMachine
       @binary = FakeBin.new
       Risc::Position.clear_positions

test/mom/test_block_statement.rb

@@ -39,7 +39,7 @@ module Vool
       assert_equal 1, @block.frame_type.variable_index(:local)
     end
   end
-  class TestBlockMethod #< MiniTest::Test
+  class TestBlockMethod < MiniTest::Test
     include MomCompile
     def setup
       Parfait.boot!

test/risc/test_register_value1.rb

@@ -19,6 +19,9 @@ module Risc
     def test_get_new_left_0
       assert_equal RegisterValue , @r0.get_new_left(:caller , @compiler).class
     end
+    def test_get_new_left_no_extra
+      assert @r0.get_new_left(:caller , @compiler).extra.empty?
+    end
     def test_get_new_left_0_reg
       assert_equal :r1 , @r0.get_new_left(:caller , @compiler).symbol
     end
@@ -28,5 +31,10 @@ module Risc
     def test_get_new_left_1_reg
       assert_equal :r1 , @r0.get_new_left(:caller , @compiler).symbol
     end
+    def test_get_left_uses_extra
+      @r1 = RegisterValue.new(:r1 , :Space , type_arguments: @r0.type)
+      # works with nil as compiler, because extra is used
+      assert_equal :Message , @r1.get_new_left(:arguments , nil).type.class_name
+    end
   end
 end

test/support/fake_compiler.rb

@@ -6,7 +6,7 @@ module Risc
     def resolve_type(name)
       Parfait.object_space.types.values.first
     end
-    def use_reg(type)
+    def use_reg(type , extra = {})
       RegisterValue.new(:r1 , type)
     end
     def reset_regs