Revert of [compiler] Fix flipped boolean checks in marked tier-up

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 861 matching lines @@
     switch (Compiler::NextCompilationTier(*function)) {
       case Compiler::BASELINE: {
         if (FLAG_trace_opt) {
           PrintF("[recompiling function ");
           function->ShortPrint();
           PrintF(
               " to baseline eagerly (shared function marked for tier up)]\n");
         }
 
         Handle<Code> code;
-        if (GetBaselineCode(function).ToHandle(&code)) {
+        if (!GetBaselineCode(function).ToHandle(&code)) {
           return code;
         }
         break;
       }
       case Compiler::OPTIMIZED: {
         if (FLAG_trace_opt) {
           PrintF("[optimizing method ");
           function->ShortPrint();
           PrintF(" eagerly (shared function marked for tier up)]\n");
         }
 
         Handle<Code> code;
         // TODO(leszeks): Look into performing this compilation concurrently.
-        if (GetOptimizedCode(function, Compiler::NOT_CONCURRENT)
-                .ToHandle(&code)) {
+        if (!GetOptimizedCode(function, Compiler::NOT_CONCURRENT)
+                 .ToHandle(&code)) {
           return code;
         }
         break;
       }
       default:
         UNREACHABLE();
     }
   }
 
   if (function->shared()->is_compiled()) {
@@ skipping 797 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