x64: Decode more objects for code view.

runtime/vm/code_patcher_x64.cc

Index: runtime/vm/code_patcher_x64.cc
diff --git a/runtime/vm/code_patcher_x64.cc b/runtime/vm/code_patcher_x64.cc
index 2e6ec0257cde936b603457028d6ac8d2bea261ce..b8863dc721b87999568d37e2d1adbf56b3a37f1b 100644
--- a/runtime/vm/code_patcher_x64.cc
+++ b/runtime/vm/code_patcher_x64.cc
@@ -35,6 +35,12 @@ intptr_t IndexFromPPLoad(uword start) {
 }
 
 
+intptr_t IndexFromPPLoadDisp8(uword start) {
+  int8_t offset = *reinterpret_cast<int8_t*>(start);
+  return ObjectPool::IndexFromOffset(offset);
+}
+
+
 class UnoptimizedCall : public ValueObject {
  public:
   UnoptimizedCall(uword return_address, const Code& code)