Setup R10/EDX to be valid Oops before stub calls

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 1608 matching lines @@
 LocationSummary* DebugStepCheckInstr::MakeLocationSummary(Isolate* isolate,
                                                           bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new(isolate) LocationSummary(
       isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   return locs;
 }
 
 
-void DebugStepCheckInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
-  ASSERT(!compiler->is_optimizing());
-  const ExternalLabel label(StubCode::DebugStepCheckEntryPoint());
-  compiler->GenerateCall(token_pos(), &label, stub_kind_, locs());
-}
-
-
 Instruction* DebugStepCheckInstr::Canonicalize(FlowGraph* flow_graph) {
   return NULL;
 }
 
 
 static bool HasTryBlockUse(Value* use_list) {
   for (Value::Iterator it(use_list); !it.Done(); it.Advance()) {
     Value* use = it.Current();
     if (use->instruction()->MayThrow() &&
         use->instruction()->GetBlock()->InsideTryBlock()) {
@@ skipping 1915 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart