Temporary fix for OOM in precompilation with very large methods.

runtime/vm/flag_list.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_FLAG_LIST_H_
 #define VM_FLAG_LIST_H_
 
 // Don't use USING_DBC outside of this file.
 #if defined(TARGET_ARCH_DBC)
 #define USING_DBC true
@@ skipping 76 matching lines @@
 P(fields_may_be_reset, bool, false,                                            \
   "Don't optimize away static field initialization")                           \
 C(force_clone_compiler_objects, false, false, bool, false,                     \
   "Force cloning of objects needed in compiler (ICData and Field).")           \
 R(gc_at_alloc, false, bool, false,                                             \
   "GC at every allocation.")                                                   \
 P(getter_setter_ratio, int, 13,                                                \
   "Ratio of getter/setter usage used for double field unboxing heuristics")    \
 P(guess_icdata_cid, bool, true,                                                \
   "Artificially create type feedback for arithmetic etc. operations")          \
+P(huge_method_cutoff_in_tokens, int, 20000,                                    \
+  "Huge method cutoff in tokens: Disables optimizations for huge methods.")    \
 P(interpret_irregexp, bool, USING_DBC,                                         \
   "Use irregexp bytecode interpreter")                                         \
 P(lazy_dispatchers, bool, true,                                                \
   "Generate dispatchers lazily")                                               \
 P(link_natives_lazily, bool, false,                                            \
   "Link native calls lazily")                                                  \
 C(load_deferred_eagerly, true, true, bool, false,                              \
   "Load deferred libraries eagerly.")                                          \
 R(log_marker_tasks, false, bool, false,                                        \
   "Log debugging information for old gen GC marking tasks.")                   \
@@ skipping 86 matching lines @@
 P(verbose_gc_hdr, int, 40,                                                     \
   "Print verbose GC header interval.")                                         \
 R(verify_after_gc, false, bool, false,                                         \
   "Enables heap verification after GC.")                                       \
 R(verify_before_gc, false, bool, false,                                        \
   "Enables heap verification before GC.")                                      \
 D(verify_on_transition, bool, false,                                           \
   "Verify on dart <==> VM.")                                                   \
 
 #endif  // VM_FLAG_LIST_H_