VM: Refactor assembler test that rely on the constant pool.

runtime/vm/unit_test.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/unit_test.h"
 
 #include <stdio.h>
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 197 matching lines @@
                     true, false, false, false, false, cls, 0));
   code_ = Code::FinalizeCode(function, assembler_);
   if (FLAG_disassemble) {
     OS::Print("Code for test '%s' {\n", name_);
     const Instructions& instructions =
         Instructions::Handle(code_.instructions());
     uword start = instructions.EntryPoint();
     Disassembler::Disassemble(start, start + assembler_->CodeSize());
     OS::Print("}\n");
   }
-  const Instructions& instructions = Instructions::Handle(code_.instructions());
-  entry_ = instructions.EntryPoint();
 }
 
 
 CodeGenTest::CodeGenTest(const char* name)
   : function_(Function::ZoneHandle()),
     node_sequence_(new SequenceNode(Scanner::kNoSourcePos,
                                     new LocalScope(NULL, 0, 0))),
     default_parameter_values_(Array::ZoneHandle()) {
   ASSERT(name != NULL);
   const String& function_name = String::ZoneHandle(Symbols::New(name));
@@ skipping 48 matching lines @@
   Thread* thread = Thread::Current();
   ASSERT(thread != NULL);
   ASSERT(ClassFinalizer::AllClassesFinalized());
   const Error& error = Error::Handle(Compiler::CompileFunction(thread,
                                                                function));
   return error.IsNull();
 }
 
 
 }  // namespace dart