Cleanup: we are not patching entries any longer

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 50 matching lines @@
 DEFINE_FLAG(bool, trace_compiler, false, "Trace compiler operations.");
 DEFINE_FLAG(bool, trace_bailout, false, "Print bailout from ssa compiler.");
 DEFINE_FLAG(bool, use_inlining, true, "Enable call-site inlining");
 DEFINE_FLAG(bool, verify_compiler, false,
     "Enable compiler verification assertions");
 
 DECLARE_FLAG(bool, load_deferred_eagerly);
 DECLARE_FLAG(bool, trace_failed_optimization_attempts);
 DECLARE_FLAG(bool, trace_inlining_intervals);
 DECLARE_FLAG(bool, trace_irregexp);
-DECLARE_FLAG(bool, trace_patching);
 
 
 bool Compiler::always_optimize_ = false;
 bool Compiler::allow_recompilation_ = true;
 
 
 // TODO(zerny): Factor out unoptimizing/optimizing pipelines and remove
 // separate helpers functions & `optimizing` args.
 class CompilationPipeline : public ZoneAllocated {
  public:
@@ skipping 669 matching lines @@
         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) {
           // We may not have previous code if 'always_optimize' is set.
           if ((osr_id == Isolate::kNoDeoptId) && function.HasCode()) {
-            CodePatcher::PatchEntry(
-                Code::Handle(function.CurrentCode()),
-                Code::Handle(StubCode::FixCallersTarget_entry()->code()));
-            if (FLAG_trace_compiler || FLAG_trace_patching) {
-              if (FLAG_trace_compiler) {
-                THR_Print("  ");
-              }
-              THR_Print("Patch unoptimized '%s' entry point %#" Px "\n",
-                  function.ToFullyQualifiedCString(),
-                  Code::Handle(function.unoptimized_code()).EntryPoint());
-            }
+            Code::Handle(function.CurrentCode()).DisableDartCode();
           }
           function.AttachCode(code);
 
           // Register code with the classes it depends on because of CHA.
           for (intptr_t i = 0;
                i < thread->cha()->leaf_classes().length();
                ++i) {
             thread->cha()->leaf_classes()[i]->RegisterCHACode(code);
           }
 
@@ skipping 626 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