Finishes removing intptr_t from raw object fields.

runtime/vm/code_descriptors.cc

Index: runtime/vm/code_descriptors.cc
===================================================================
--- runtime/vm/code_descriptors.cc	(revision 40039)
+++ runtime/vm/code_descriptors.cc	(working copy)
@@ -57,7 +57,7 @@
     map1 = MapAt(i - 1);
     map2 = MapAt(i);
     // Ensure there are no duplicates and the entries are sorted.
-    if (map1.PC() >= map2.PC()) {
+    if (map1.PcOffset() >= map2.PcOffset()) {
       return false;
     }
   }
@@ -71,11 +71,6 @@
   if (num_entries == 0) {
     return Object::empty_array().raw();
   }
-  uword entry_point = code.EntryPoint();
-  for (intptr_t i = 0; i < num_entries; i++) {
-    stack_map_ = MapAt(i);
-    stack_map_.SetPC(entry_point + stack_map_.PC());
-  }
   return Array::MakeArray(list_);
 }