Enables all startup code for arm64.

runtime/vm/code_generator_test.cc

Index: runtime/vm/code_generator_test.cc
===================================================================
--- runtime/vm/code_generator_test.cc	(revision 35439)
+++ runtime/vm/code_generator_test.cc	(working copy)
@@ -45,9 +45,6 @@
 CODEGEN_TEST2_RUN(SimpleStaticCallCodegen, SmiReturnCodegen, Smi::New(3))
 
 
-// TODO(zra): Remove when tests are ready to enable.
-#if !defined(TARGET_ARCH_ARM64)
-
 // Helper to allocate and return a LocalVariable.
 static LocalVariable* NewTestLocalVariable(const char* name) {
   const String& variable_name = String::ZoneHandle(Symbols::New(name));
@@ -121,6 +118,9 @@
                   Smi::New(5))
 
 
+// TODO(zra): Remove when tests are ready to enable.
+#if !defined(TARGET_ARCH_ARM64)
+
 CODEGEN_TEST_GENERATE(SmiAddCodegen, test) {
   SequenceNode* node_seq = test->node_sequence();
   LiteralNode* a = new LiteralNode(kPos, Smi::ZoneHandle(Smi::New(3)));