Enable inlining inside try-blocks in the VM's optimizing compiler.

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 382 matching lines @@
                    function.token_pos(),
                    "FlowGraphCompiler Bailout: %s %s",
                    String::Handle(function.name()).ToCString(),
                    reason);
   UNREACHABLE();
 }
 
 
 void FlowGraphCompiler::EmitTrySync(Instruction* instr, intptr_t try_index) {
   ASSERT(is_optimizing());
-  Environment* env = instr->env();
+  Environment* env = instr->env()->Outermost();
   CatchBlockEntryInstr* catch_block =
       flow_graph().graph_entry()->GetCatchEntry(try_index);
   const GrowableArray<Definition*>* idefs = catch_block->initial_definitions();
 
   // Construct a ParallelMove instruction for parameters and locals. Skip the
   // special locals exception_var and stacktrace_var since they will be filled
   // when an exception is thrown. Constant locations are known to be the same
   // at all instructions that may throw, and do not need to be materialized.
 
   // Parameters first.
@@ skipping 1112 matching lines @@
     case kUnboxedMint:
       return mint_class();
     default:
       UNREACHABLE();
       return Class::ZoneHandle();
   }
 }
 
 
 }  // namespace dart