JIT precompilated snapshots.

runtime/vm/precompiler.cc

 // Copyright (c) 2015, 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/precompiler.h"
 
 #include "vm/aot_optimizer.h"
 #include "vm/assembler.h"
 #include "vm/ast_printer.h"
 #include "vm/branch_optimizer.h"
@@ skipping 746 matching lines @@
       // Should not be in the middle of initialization while precompiling.
       ASSERT(value.raw() != Object::transition_sentinel().raw());
 
       const bool is_initialized = value.raw() != Object::sentinel().raw();
       if (is_initialized && !reset_fields_) return;
 
       if (!field.HasPrecompiledInitializer()) {
         if (FLAG_trace_precompiler) {
           THR_Print("Precompiling initializer for %s\n", field.ToCString());
         }
-        ASSERT(!Dart::IsRunningPrecompiledCode());
+        ASSERT(Dart::snapshot_kind() != Snapshot::kAppNoJIT);
         field.SetStaticValue(Instance::Handle(field.SavedInitialStaticValue()));
         const Function& initializer =
             Function::Handle(CompileStaticInitializer(field));
         if (!initializer.IsNull()) {
           field.SetPrecompiledInitializer(initializer);
         }
       }
 
       const Function& function =
           Function::Handle(Z, field.PrecompiledInitializer());
@@ skipping 1972 matching lines @@
       CompilationPipeline::New(thread->zone(), function);
 
   ASSERT(FLAG_precompiled_mode);
   const bool optimized = function.IsOptimizable();  // False for natives.
   return PrecompileFunctionHelper(pipeline, function, optimized);
 }
 
 #endif  // DART_PRECOMPILER
 
 }  // namespace dart