Reduce default capacity of growable list from 4 to 2 elements. Improves performance.

runtime/vm/flow_graph_builder.h

 // 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.
 
 #ifndef VM_FLOW_GRAPH_BUILDER_H_
 #define VM_FLOW_GRAPH_BUILDER_H_
 
 #include "platform/assert.h"
 #include "platform/globals.h"
 #include "vm/allocation.h"
@@ skipping 16 matching lines @@
 
 class NestedStatement;
 class TestGraphVisitor;
 
 // List of recognized list factories:
 // (factory-name-symbol, result-cid, fingerprint).
 // TODO(srdjan): Store the values in the snapshot instead.
 #define RECOGNIZED_LIST_FACTORY_LIST(V)                                        \
   V(_ListFactory, kArrayCid, 1595327584)                                       \
   V(_GrowableListWithData, kGrowableObjectArrayCid, 732923072)                 \
-  V(_GrowableListFactory, kGrowableObjectArrayCid, 1842713619)                 \
+  V(_GrowableListFactory, kGrowableObjectArrayCid, 1956565810)                 \
   V(_Int8ArrayFactory, kTypedDataInt8ArrayCid, 1499010120)                     \
   V(_Uint8ArrayFactory, kTypedDataUint8ArrayCid, 354210806)                    \
   V(_Uint8ClampedArrayFactory, kTypedDataUint8ClampedArrayCid, 231626935)      \
   V(_Int16ArrayFactory, kTypedDataInt16ArrayCid, 1044203454)                   \
   V(_Uint16ArrayFactory, kTypedDataUint16ArrayCid, 616427808)                  \
   V(_Int32ArrayFactory, kTypedDataInt32ArrayCid, 26656923)                     \
   V(_Uint32ArrayFactory, kTypedDataUint32ArrayCid, 297463966)                  \
   V(_Int64ArrayFactory, kTypedDataInt64ArrayCid, 105050331)                    \
   V(_Uint64ArrayFactory, kTypedDataUint64ArrayCid, 1469861670)                 \
   V(_Float64ArrayFactory, kTypedDataFloat64ArrayCid, 342242776)                \
@@ skipping 540 matching lines @@
   // Output parameters.
   GrowableArray<TargetEntryInstr**> true_successor_addresses_;
   GrowableArray<TargetEntryInstr**> false_successor_addresses_;
 
   intptr_t condition_token_pos_;
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_BUILDER_H_