[tests] Make assertOptimized()/assertUnoptimized() great again.

src/compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "src/asmjs/asm-js.h"
@@ skipping 295 matching lines @@
     info->shared_info()->set_feedback_metadata(*feedback_metadata);
   }
 
   // It's very important that recompiles do not alter the structure of the type
   // feedback vector. Verify that the structure fits the function literal.
   CHECK(!info->shared_info()->feedback_metadata()->SpecDiffersFrom(
       info->literal()->feedback_vector_spec()));
 }
 
 bool UseTurboFan(Handle<SharedFunctionInfo> shared) {
-  bool optimization_disabled = shared->optimization_disabled();
+  if (shared->optimization_disabled()) {
+    return false;
+  }
+
   bool must_use_ignition_turbo = shared->must_use_ignition_turbo();
 
   // Check the enabling conditions for Turbofan.
   // 1. "use asm" code.
-  bool is_turbofanable_asm =
-      FLAG_turbo_asm && shared->asm_function() && !optimization_disabled;
+  bool is_turbofanable_asm = FLAG_turbo_asm && shared->asm_function();
 
   // 2. Fallback for features unsupported by Crankshaft.
   bool is_unsupported_by_crankshaft_but_turbofanable =
-      must_use_ignition_turbo && strcmp(FLAG_turbo_filter, "~~") == 0 &&
-      !optimization_disabled;
+      must_use_ignition_turbo && strcmp(FLAG_turbo_filter, "~~") == 0;
 
   // 3. Explicitly enabled by the command-line filter.
   bool passes_turbo_filter = shared->PassesFilter(FLAG_turbo_filter);
 
   return is_turbofanable_asm || is_unsupported_by_crankshaft_but_turbofanable ||
          passes_turbo_filter;
 }
 
 bool ShouldUseIgnition(CompilationInfo* info) {
   DCHECK(info->has_shared_info());
@@ skipping 1425 matching lines @@
     DCHECK(shared->is_compiled());
     function->set_literals(cached.literals);
   } else if (shared->is_compiled()) {
     // TODO(mvstanton): pass pretenure flag to EnsureLiterals.
     JSFunction::EnsureLiterals(function);
   }
 }
 
 }  // namespace internal
 }  // namespace v8