VM: Optimized context allocation on all platforms.

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/class_finalizer.h"
@@ skipping 3452 matching lines @@
       Value* parent_context = NULL;
       if (MustSaveRestoreContext(node)) {
         BuildSaveContext(
             *owner()->parsed_function()->saved_entry_context_var());
         parent_context = Bind(
             new(I) ConstantInstr(Object::ZoneHandle(I, Object::null())));
       } else {
         parent_context = Bind(new(I) CurrentContextInstr());
       }
       Do(new(I) StoreInstanceFieldInstr(Context::parent_offset(),
-                                     tmp_val,
-                                     parent_context,
-                                     kEmitStoreBarrier,
-                                     Scanner::kNoSourcePos));
+                                        tmp_val,
+                                        parent_context,
+                                        kEmitStoreBarrier,
+                                        Scanner::kNoSourcePos));
       AddInstruction(
           new(I) StoreContextInstr(Bind(ExitTempLocalScope(tmp_var))));
     }
 
     // If this node_sequence is the body of the function being compiled, copy
     // the captured parameters from the frame into the context.
     if (node == owner()->parsed_function()->node_sequence()) {
       ASSERT(scope->context_level() == 1);
       const Function& function = owner()->parsed_function()->function();
       const int num_params = function.NumParameters();
@@ skipping 469 matching lines @@
   Report::MessageF(Report::kBailout,
                    Script::Handle(function.script()),
                    function.token_pos(),
                    "FlowGraphBuilder Bailout: %s %s",
                    String::Handle(function.name()).ToCString(),
                    reason);
   UNREACHABLE();
 }
 
 }  // namespace dart