Bring back test coverage for baseline TurboFan.

R=sigurds@chromium.org

Review URL: https://codereview.chromium.org/498243002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23354 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/compiler.cc

@@ -414,7 +414,9 @@ OptimizedCompileJob::Status OptimizedCompileJob::CreateGraph() {
     compiler::Pipeline pipeline(info());
     pipeline.GenerateCode();
     if (!info()->code().is_null()) {
-      info()->context()->native_context()->AddOptimizedCode(*info()->code());
+      if (FLAG_turbo_deoptimization) {
+        info()->context()->native_context()->AddOptimizedCode(*info()->code());
+      }
       return SetLastStatus(SUCCEEDED);
     }
   }

src/flag-definitions.h

@@ -335,7 +335,7 @@ DEFINE_BOOL(turbo_stats, false, "print TurboFan statistics")
 DEFINE_BOOL(turbo_types, false, "use typed lowering in TurboFan")
 DEFINE_BOOL(turbo_source_positions, false,
             "track source code positions when building TurboFan IR")
-DEFINE_BOOL(context_specialization, true,
+DEFINE_BOOL(context_specialization, false,
             "enable context specialization in TurboFan")
 DEFINE_BOOL(turbo_deoptimization, false, "enable deoptimization in TurboFan")
 DEFINE_BOOL(turbo_inlining, false, "enable inlining in TurboFan")