Reapply "Deoptimization support in inlined code."

runtime/vm/object.h

Index: runtime/vm/object.h
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index a9344b37ed4794bd176a9c884a6e30986594374c..abb84c5e43e70099473923cd834a8ebca94b6d6b 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -2371,7 +2371,7 @@ class PcDescriptors : public Object {
   uword GetPcForKind(Kind kind) const;
 
   // Verify (assert) assumptions about pc descriptors in debug mode.
-  void Verify(bool check_ids) const;
+  void Verify(const Function& function) const;
 
   static void PrintHeaderString();
 
@@ -2720,6 +2720,9 @@ class Code : public Object {
       GrowableArray<intptr_t>* node_ids,
       const GrowableObjectArray& ic_data_objs) const;
 
+  // Returns an array indexed by deopt id, containing the extracted ICData.
+  RawArray* ExtractTypeFeedbackArray() const;
+
  private:
   // An object finder visitor interface.
   class FindRawCodeVisitor : public FindObjectVisitor {