Fix flag —no-propagate-ic-data.

runtime/vm/flow_graph_compiler.cc

 // 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_XXX.
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
@@ skipping 963 matching lines @@
 }
 
 
 void FlowGraphCompiler::GenerateInstanceCall(
     intptr_t deopt_id,
     intptr_t token_pos,
     intptr_t argument_count,
     LocationSummary* locs,
     const ICData& ic_data) {
   ASSERT(!ic_data.IsNull());
-  ASSERT(FLAG_propagate_ic_data || (ic_data.NumberOfUsedChecks() == 0));
   uword label_address = 0;
   StubCode* stub_code = isolate()->stub_code();
   if (is_optimizing() && (ic_data.NumberOfUsedChecks() == 0)) {
     // Emit IC call that will count and thus may need reoptimization at
     // function entry.
     ASSERT(!is_optimizing()
            || may_reoptimize()
            || flow_graph().IsCompiledForOsr());
     switch (ic_data.NumArgsTested()) {
       case 1:
@@ skipping 535 matching lines @@
       ((*deopt_id_to_ic_data_)[deopt_id] != NULL)) {
     const ICData* res = (*deopt_id_to_ic_data_)[deopt_id];
     ASSERT(res->deopt_id() == deopt_id);
     ASSERT(res->target_name() == target_name.raw());
     ASSERT(res->NumArgsTested() == num_args_tested);
     return res;
   }
   const ICData& ic_data = ICData::ZoneHandle(zone(), ICData::New(
       parsed_function().function(), target_name,
       arguments_descriptor, deopt_id, num_args_tested));
-  (*deopt_id_to_ic_data_)[deopt_id] = &ic_data;
+  if (deopt_id_to_ic_data_ != NULL) {
+    (*deopt_id_to_ic_data_)[deopt_id] = &ic_data;
+  }
   return &ic_data;
 }
 
 
 const ICData* FlowGraphCompiler::GetOrAddStaticCallICData(
     intptr_t deopt_id,
     const Function& target,
     const Array& arguments_descriptor,
     intptr_t num_args_tested) {
   if ((deopt_id_to_ic_data_ != NULL) &&
       ((*deopt_id_to_ic_data_)[deopt_id] != NULL)) {
     const ICData* res = (*deopt_id_to_ic_data_)[deopt_id];
     ASSERT(res->deopt_id() == deopt_id);
     ASSERT(res->target_name() == target.name());
     ASSERT(res->NumArgsTested() == num_args_tested);
     return res;
   }
   const ICData& ic_data = ICData::ZoneHandle(zone(), ICData::New(
       parsed_function().function(), String::Handle(zone(), target.name()),
       arguments_descriptor, deopt_id, num_args_tested));
   ic_data.AddTarget(target);
-  (*deopt_id_to_ic_data_)[deopt_id] = &ic_data;
+  if (deopt_id_to_ic_data_ != NULL) {
+    (*deopt_id_to_ic_data_)[deopt_id] = &ic_data;
+  }
   return &ic_data;
 }
 
 
 intptr_t FlowGraphCompiler::GetOptimizationThreshold() const {
   intptr_t threshold;
   if (is_optimizing()) {
     threshold = FLAG_reoptimization_counter_threshold;
   } else if (parsed_function_.function().IsIrregexpFunction()) {
     threshold = FLAG_regexp_optimization_counter_threshold;
@@ skipping 107 matching lines @@
 
 
 void FlowGraphCompiler::FrameStateClear() {
   ASSERT(!is_optimizing());
   frame_state_.TruncateTo(0);
 }
 #endif
 
 
 }  // namespace dart