Make ICData changes thread safe (first compute array, then set it). Install code in the main thread…

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/bit_vector.h"
+#include "vm/compiler.h"
 #include "vm/constant_propagator.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/flow_graph_optimizer.h"
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/locations.h"
 #include "vm/method_recognizer.h"
@@ skipping 512 matching lines @@
 CatchBlockEntryInstr* GraphEntryInstr::GetCatchEntry(intptr_t index) {
   // TODO(fschneider): Sort the catch entries by catch_try_index to avoid
   // searching.
   for (intptr_t i = 0; i < catch_entries_.length(); ++i) {
     if (catch_entries_[i]->catch_try_index() == index) return catch_entries_[i];
   }
   return NULL;
 }
 
 
+bool GraphEntryInstr::IsCompiledForOsr() const {
+  return osr_id_ != Compiler::kNoOSRDeoptId;
+}
+
+
 // ==== Support for visiting flow graphs.
 
 #define DEFINE_ACCEPT(ShortName)                                               \
 void ShortName##Instr::Accept(FlowGraphVisitor* visitor) {                     \
   visitor->Visit##ShortName(this);                                             \
 }
 
 FOR_EACH_INSTRUCTION(DEFINE_ACCEPT)
 
 #undef DEFINE_ACCEPT
@@ skipping 3096 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart