Remove shared-function-tier-up-default.js

It tests a pipeline configuration we are removing.

BUG=v8:5778

Review-Url: https://codereview.chromium.org/2715153005
Cr-Commit-Position: refs/heads/master@{#43491}

test/mjsunit/mjsunit.js

@@ -140,9 +140,6 @@ var isAlwaysOptimize;
 // Returns true if given function in interpreted.
 var isInterpreted;
 
-// Returns true if given function is compiled by a base-line compiler.
-var isBaselined;
-
 // Returns true if given function is optimized.
 var isOptimized;
 
@@ -544,16 +541,6 @@ var isTurboFanned;
            (opt_status & V8OptimizationStatus.kInterpreted) !== 0;
   }
 
-  // NOTE: This predicate also returns true for functions that have never
-  // been compiled (i.e. that have LazyCompile stub as a code).
-  isBaselined = function isBaselined(fun) {
-    var opt_status = OptimizationStatus(fun, "");
-    assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0,
-               "not a function");
-    return (opt_status & V8OptimizationStatus.kOptimized) === 0 &&
-           (opt_status & V8OptimizationStatus.kInterpreted) === 0;
-  }
-
   isOptimized = function isOptimized(fun) {
     var opt_status = OptimizationStatus(fun, "");
     assertTrue((opt_status & V8OptimizationStatus.kIsFunction) !== 0,

test/mjsunit/mjsunit.status

@@ -550,7 +550,6 @@
   'es6/tail-call-megatest*': [SKIP],
 
   # Forced optimisation path tests.
-  'shared-function-tier-up-default': [SKIP],
   'shared-function-tier-up-turbo': [SKIP],
 
   # Fails deopt_fuzzer due to --deopt_every_n_times or

test/mjsunit/shared-function-tier-up-default.js

-// Copyright 2016 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.
-//
-// Flags: --mark-shared-functions-for-tier-up --allow-natives-syntax
-// Flags: --no-ignition --no-ignition-staging --no-turbo
-// Flags: --crankshaft --no-always-opt
-
-// If we are always or never optimizing it is useless.
-assertFalse(isAlwaysOptimize());
-assertFalse(isNeverOptimize());
-
-(function() {
-  var sum = 0;
-  var i = 0;
-  for (var i = 0; i < 3; ++i) {
-    var f = function(x) {
-      return 2 * x;
-    }
-    sum += f(i);
-
-    if (i == 1) {
-      // f must be baseline code.
-      assertTrue(isBaselined(f));
-
-      // Run twice (i = 0, 1), then tier-up.
-      %OptimizeFunctionOnNextCall(f);
-    } else if (i == 2) {
-      // Tier-up at i = 2 should go up to crankshaft.
-      assertTrue(isCrankshafted(f));
-    }
-  }
-})()