Merge "Switch on implicit checks and bump oat version to force recompilation"
diff --git a/runtime/oat.cc b/runtime/oat.cc
index 9c14a4f..4c4dddb 100644
--- a/runtime/oat.cc
+++ b/runtime/oat.cc
@@ -22,7 +22,7 @@
 namespace art {
 
 const uint8_t OatHeader::kOatMagic[] = { 'o', 'a', 't', '\n' };
-const uint8_t OatHeader::kOatVersion[] = { '0', '3', '0', '\0' };
+const uint8_t OatHeader::kOatVersion[] = { '0', '3', '1', '\0' };
 
 OatHeader::OatHeader() {
   memset(this, 0, sizeof(*this));
diff --git a/runtime/parsed_options.cc b/runtime/parsed_options.cc
index db2a61b..72a868e 100644
--- a/runtime/parsed_options.cc
+++ b/runtime/parsed_options.cc
@@ -264,7 +264,7 @@
 #ifdef HAVE_ANDROID_OS
   {
     char buf[PROP_VALUE_MAX];
-    property_get("dalvik.vm.implicit_checks", buf, "none");
+    property_get("dalvik.vm.implicit_checks", buf, "null,stack");
     std::string checks(buf);
     std::vector<std::string> checkvec;
     Split(checks, ',', checkvec);