Add implicit null checks for the optimizing compiler

- for backends: arm, arm64, x86, x86_64
- fixed parameter passing for CodeGenerator
- 003-omnibus-opcodes test verifies that NullPointerExceptions work as
expected

Change-Id: I1b302acd353342504716c9169a80706cf3aba2c8
diff --git a/compiler/optimizing/liveness_test.cc b/compiler/optimizing/liveness_test.cc
index 6f706c3..f2d49ac 100644
--- a/compiler/optimizing/liveness_test.cc
+++ b/compiler/optimizing/liveness_test.cc
@@ -19,6 +19,7 @@
 #include "code_generator_x86.h"
 #include "dex_file.h"
 #include "dex_instruction.h"
+#include "driver/compiler_options.h"
 #include "nodes.h"
 #include "optimizing_unit_test.h"
 #include "prepare_for_register_allocation.h"
@@ -51,7 +52,7 @@
   graph->TryBuildingSsa();
   // `Inline` conditions into ifs.
   PrepareForRegisterAllocation(graph).Run();
-  x86::CodeGeneratorX86 codegen(graph);
+  x86::CodeGeneratorX86 codegen(graph, CompilerOptions());
   SsaLivenessAnalysis liveness(*graph, &codegen);
   liveness.Analyze();