Fix speculative inlining in precompilation.

runtime/vm/flow_graph_builder.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.
 
 #include "vm/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
@@ skipping 2788 matching lines @@
                                arguments,
                                owner()->ic_data_array());
     const intptr_t result_cid = GetResultCidOfListFactory(node);
     if (result_cid != kDynamicCid) {
       call->set_result_cid(result_cid);
       call->set_is_known_list_constructor(true);
       // Recognized fixed length array factory must have two arguments:
       // (0) type-arguments, (1) length.
       ASSERT(!LoadFieldInstr::IsFixedLengthArrayCid(result_cid) ||
              arguments->length() == 2);
+    } else if (node->constructor().recognized_kind() !=
+               MethodRecognizer::kUnknown) {
+      call->set_result_cid(MethodRecognizer::ResultCid(node->constructor()));
     }
     ReturnDefinition(call);
     return;
   }
   // t_n contains the allocated and initialized object.
   //   t_n      <- AllocateObject(class)
   //   t_n+1    <- ctor-arg
   //   t_n+2... <- constructor arguments start here
   //   StaticCall(constructor, t_n+1, t_n+2, ...)
   // No need to preserve allocated value (simpler than in ValueGraphVisitor).
@@ skipping 1759 matching lines @@
                                               block_marks);
   ASSERT(found);
 }
 
 
 void FlowGraphBuilder::Bailout(const char* reason) const {
   parsed_function_.Bailout("FlowGraphBuilder", reason);
 }
 
 }  // namespace dart