Don't print intrinsic flow graph with --print-flow-graph-optimized.

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 135 matching lines @@
       ASSERT(function.CheckSourceFingerprint(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 || FLAG_print_flow_graph_optimized) {
+  if (FLAG_print_flow_graph) {
     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 || FLAG_print_flow_graph_optimized) {
+  if (FLAG_print_flow_graph) {
     OS::Print("Intrinsic graph after\n");
     FlowGraphPrinter printer(*graph);
     printer.PrintBlocks();
   }
   EmitCodeFor(compiler, graph);
   return true;
 }
 
 
 void Intrinsifier::Intrinsify(ParsedFunction* parsed_function,
@@ skipping 383 matching lines @@
       new LoadFieldInstr(new Value(backing_store),
                          Array::length_offset(),
                          Type::ZoneHandle(),
                          builder.TokenPos()));
   builder.AddIntrinsicReturn(new Value(capacity));
   return true;
 }
 
 
 }  // namespace dart