Track prologue offset of Code and use for more precise return addresses

runtime/vm/compiler.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/compiler.h"
 
 #include "vm/assembler.h"
 
 #include "vm/ast_printer.h"
 #include "vm/block_scheduler.h"
@@ skipping 703 matching lines @@
             Array::Handle(isolate, graph_compiler.CreateDeoptInfo(&assembler));
         INC_STAT(isolate, total_code_size,
                  deopt_info_array.Length() * sizeof(uword));
         const Code& code = Code::Handle(
             Code::FinalizeCode(function, &assembler, optimized));
         code.set_is_optimized(optimized);
 
         const Array& intervals = graph_compiler.inlined_code_intervals();
         INC_STAT(isolate, total_code_size,
                  intervals.Length() * sizeof(uword));
-        code.set_inlined_intervals(intervals);
+        code.SetInlinedIntervals(intervals);
 
         const Array& inlined_id_array =
             Array::Handle(isolate, graph_compiler.InliningIdToFunction());
         INC_STAT(isolate, total_code_size,
                  inlined_id_array.Length() * sizeof(uword));
-        code.set_inlined_id_to_function(inlined_id_array);
+        code.SetInlinedIdToFunction(inlined_id_array);
 
         graph_compiler.FinalizePcDescriptors(code);
         code.set_deopt_info_array(deopt_info_array);
 
         graph_compiler.FinalizeStackmaps(code);
         graph_compiler.FinalizeVarDescriptors(code);
         graph_compiler.FinalizeExceptionHandlers(code);
         graph_compiler.FinalizeStaticCallTargetsTable(code);
 
         if (optimized) {
@@ skipping 565 matching lines @@
     const Object& result =
       PassiveObject::Handle(isolate->object_store()->sticky_error());
     isolate->object_store()->clear_sticky_error();
     return result.raw();
   }
   UNREACHABLE();
   return Object::null();
 }
 
 }  // namespace dart