Omit JIT compiler from precompiled runtime on ARM, ARM64 and IA32.

runtime/vm/deopt_instructions.h

 // 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.
 
 #ifndef RUNTIME_VM_DEOPT_INSTRUCTIONS_H_
 #define RUNTIME_VM_DEOPT_INSTRUCTIONS_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 588 matching lines @@
     return Smi::New(ReasonField::encode(reason) | FlagsField::encode(flags));
   }
 
   class ReasonField : public BitField<intptr_t, ICData::DeoptReasonId, 0, 8> {};
   class FlagsField : public BitField<intptr_t, uint32_t, 8, 8> {};
 
  private:
   static const intptr_t kEntrySize = 3;
 };
 
+
+// Holds deopt information at one deoptimization point. The information consists
+// of two parts:
+//  - first a prefix consisting of kMaterializeObject instructions describing
+//    objects which had their allocation removed as part of AllocationSinking
+//    pass and have to be materialized;
+//  - followed by a list of DeoptInstr objects, specifying transformation
+//    information for each slot in unoptimized frame(s).
+// Arguments for object materialization (class of instance to be allocated and
+// field-value pairs) are added as artificial slots to the expression stack
+// of the bottom-most frame. They are removed from the stack at the very end
+// of deoptimization by the deoptimization stub.
+class DeoptInfo : public AllStatic {
+ public:
+  // Size of the frame part of the translation not counting kMaterializeObject
+  // instructions in the prefix.
+  static intptr_t FrameSize(const TypedData& packed);
+
+  // Returns the number of kMaterializeObject instructions in the prefix.
+  static intptr_t NumMaterializations(const GrowableArray<DeoptInstr*>&);
+
+  // Unpack the entire translation into an array of deoptimization
+  // instructions.  This copies any shared suffixes into the array.
+  static void Unpack(const Array& table,
+                     const TypedData& packed,
+                     GrowableArray<DeoptInstr*>* instructions);
+
+  // Size of the frame part of the translation not counting kMaterializeObject
+  // instructions in the prefix.
+  static const char* ToCString(const Array& table, const TypedData& packed);
+
+  // Returns true iff decompression yields the same instructions as the
+  // original.
+  static bool VerifyDecompression(const GrowableArray<DeoptInstr*>& original,
+                                  const Array& deopt_table,
+                                  const TypedData& packed);
+
+
+ private:
+  static void UnpackInto(const Array& table,
+                         const TypedData& packed,
+                         GrowableArray<DeoptInstr*>* instructions,
+                         intptr_t length);
+};
+
 }  // namespace dart
 
 #endif  // RUNTIME_VM_DEOPT_INSTRUCTIONS_H_