More efficient identification of dynamic and void types.

runtime/vm/code_generator.cc

Index: runtime/vm/code_generator.cc
diff --git a/runtime/vm/code_generator.cc b/runtime/vm/code_generator.cc
index 1d26af8e3d9b939949051747a6a0ade01339e2e3..3f016050e782002fd1e0f3093a8a5625d6216635 100644
--- a/runtime/vm/code_generator.cc
+++ b/runtime/vm/code_generator.cc
@@ -449,9 +449,9 @@ DEFINE_RUNTIME_ENTRY(Instanceof, 4) {
   const SubtypeTestCache& cache =
       SubtypeTestCache::CheckedHandle(zone, arguments.ArgAt(3));
   ASSERT(type.IsFinalized());
-  ASSERT(!type.IsDynamicType());  // No need to check assignment.
   ASSERT(!type.IsMalformed());  // Already checked in code generator.
   ASSERT(!type.IsMalbounded());  // Already checked in code generator.
+  ASSERT(!type.IsDynamicType());  // No need to check assignment.
   Error& bound_error = Error::Handle(zone);
   const Bool& result =
       Bool::Get(instance.IsInstanceOf(type,
@@ -495,9 +495,9 @@ DEFINE_RUNTIME_ENTRY(TypeCheck, 5) {
   const String& dst_name = String::CheckedHandle(zone, arguments.ArgAt(3));
   const SubtypeTestCache& cache =
       SubtypeTestCache::CheckedHandle(zone, arguments.ArgAt(4));
-  ASSERT(!dst_type.IsDynamicType());  // No need to check assignment.
   ASSERT(!dst_type.IsMalformed());  // Already checked in code generator.
   ASSERT(!dst_type.IsMalbounded());  // Already checked in code generator.
+  ASSERT(!dst_type.IsDynamicType());  // No need to check assignment.
   ASSERT(!src_instance.IsNull());  // Already checked in inlined code.
 
   Error& bound_error = Error::Handle(zone);