Refactor snapshots pieces to include a section for loading instructions into the heap of a regular …

runtime/bin/snapshot_in.cc

Index: runtime/bin/snapshot_in.cc
diff --git a/runtime/bin/snapshot_in.cc b/runtime/bin/snapshot_in.cc
index 861eeb41f683702ad3bc752f84d05023a72516cf..8445c20b41ca573e7f32a52d4a16cb52bdbea36b 100644
--- a/runtime/bin/snapshot_in.cc
+++ b/runtime/bin/snapshot_in.cc
@@ -22,20 +22,22 @@ namespace bin {
 // generated snapshot binary file for the vm isolate.
 // This string forms the content of a vm isolate snapshot which is loaded
 // into the vm isolate.
-static const uint8_t vm_isolate_snapshot_buffer_[] = {
+static const uint8_t vm_snapshot_data_[] = {
   %s
 };
-const uint8_t* vm_isolate_snapshot_buffer = vm_isolate_snapshot_buffer_;
+const uint8_t* vm_snapshot_data = vm_snapshot_data_;
+const uint8_t* vm_snapshot_instructions = NULL;
 
 
 // The string on the next line will be filled in with the contents of the
 // generated snapshot binary file for a regular dart isolate.
 // This string forms the content of a regular dart isolate snapshot which is
 // loaded into an isolate when it is created.
-static const uint8_t core_isolate_snapshot_buffer_[] = {
+static const uint8_t core_isolate_snapshot_data_[] = {
   %s
 };
-const uint8_t* core_isolate_snapshot_buffer = core_isolate_snapshot_buffer_;
+const uint8_t* core_isolate_snapshot_data = core_isolate_snapshot_data_;
+const uint8_t* core_isolate_snapshot_instructions = NULL;
 
 }  // namespace bin
 }  // namespace dart