VM: Fix slow-path deoptimization environment.

runtime/vm/intrinsifier.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.
 // Class for intrinsifying functions.
 
 #include "vm/assembler.h"
 #include "vm/intrinsifier.h"
 #include "vm/flags.h"
 #include "vm/object.h"
 #include "vm/symbols.h"
@@ skipping 136 matching lines @@
       CHECK_FINGERPRINT3(function, class_name, function_name, enum_name, fp);  \
       if (!Build_##enum_name(graph)) return false;                             \
       break;
 
     GRAPH_INTRINSICS_LIST(EMIT_CASE);
     default:
       return false;
 #undef EMIT_CASE
   }
 
-  if (FLAG_print_flow_graph) {
+  if (FLAG_print_flow_graph && FlowGraphPrinter::ShouldPrint(function)) {
     OS::Print("Intrinsic graph before\n");
     FlowGraphPrinter printer(*graph);
     printer.PrintBlocks();
   }
 
   // Perform register allocation on the SSA graph.
   FlowGraphAllocator allocator(*graph, true);  // Intrinsic mode.
   allocator.AllocateRegisters();
 
-  if (FLAG_print_flow_graph) {
+  if (FLAG_print_flow_graph && FlowGraphPrinter::ShouldPrint(function)) {
     OS::Print("Intrinsic graph after\n");
     FlowGraphPrinter printer(*graph);
     printer.PrintBlocks();
   }
   EmitCodeFor(compiler, graph);
   return true;
 }
 
 
 void Intrinsifier::Intrinsify(const ParsedFunction& parsed_function,
@@ skipping 506 matching lines @@
                                   new Value(growable_array),
                                   new Value(length),
                                   kNoStoreBarrier,
                                   builder.TokenPos()));
   Definition* null_def = builder.AddNullDefinition();
   builder.AddIntrinsicReturn(new Value(null_def));
   return true;
 }
 
 }  // namespace dart