src: remove useless comparisons on null

[nit.git] / src / vm.nit

diff --git a/src/vm.nit b/src/vm.nit
index a58a4a8..3807ab7 100644 (file)
--- a/src/vm.nit
+++ b/src/vm.nit
@@ -17,7 +17,7 @@
 # Implementation of the Nit virtual machine
 module vm
 
-intrude import interpreter::naive_interpreter
+import interpreter::naive_interpreter
 import model_utils
 import perfect_hashing
 
@@ -28,7 +28,7 @@ redef class ModelBuilder
                self.toolcontext.info("*** NITVM STARTING ***", 1)
 
                var interpreter = new VirtualMachine(self, mainmodule, arguments)
-               init_naive_interpreter(interpreter, mainmodule)
+               interpreter.start(mainmodule)
 
                var time1 = get_time
                self.toolcontext.info("*** NITVM STOPPING : {time1-time0} ***", 2)
@@ -106,7 +106,6 @@ class VirtualMachine super NaiveInterpreter
                # Sub can be discovered inside a Generic type during the subtyping test
                if not sub.mclass.loaded then create_class(sub.mclass)
 
-               if anchor == null then anchor = sub
                if sup isa MGenericType then
                        var sub2 = sub.supertype_to(mainmodule, anchor, sup.mclass)
                        assert sub2.mclass == sup.mclass