[turbofan] Remove fallback to TurboFan when Crankshaft bails out.

src/compiler.h

 // 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.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/bailout-reason.h"
@@ skipping 420 matching lines @@
   Code::Kind output_code_kind() const {
     return Code::ExtractKindFromFlags(code_flags_);
   }
 
   StackFrame::Type GetOutputStackFrameType() const;
 
   int GetDeclareGlobalsFlags() const;
 
   SourcePositionTableBuilder::RecordingMode SourcePositionRecordingMode() const;
 
- protected:
-  ParseInfo* parse_info_;
-
-  void DisableFutureOptimization() {
-    if (GetFlag(kDisableFutureOptimization) && has_shared_info()) {
-      // If Crankshaft tried to optimize this function, bailed out, and
-      // doesn't want to try again, then use TurboFan next time.
-      if (!shared_info()->dont_crankshaft() &&
-          bailout_reason() != kOptimizedTooManyTimes) {
-        shared_info()->set_dont_crankshaft(true);
-        if (FLAG_trace_opt) {
-          PrintF("[disabled Crankshaft for ");
-          shared_info()->ShortPrint();
-          PrintF(", reason: %s]\n", GetBailoutReason(bailout_reason()));
-        }
-      } else {
-        shared_info()->DisableOptimization(bailout_reason());
-      }
-    }
-  }
-
  private:
   // Compilation mode.
   // BASE is generated by the full codegen, optionally prepared for bailouts.
   // OPTIMIZE is optimized code generated by the Hydrogen-based backend.
   enum Mode {
     BASE,
     OPTIMIZE,
     STUB
   };
 
   CompilationInfo(ParseInfo* parse_info, Vector<const char> debug_name,
                   Code::Flags code_flags, Mode mode, Isolate* isolate,
                   Zone* zone);
 
+  ParseInfo* parse_info_;
   Isolate* isolate_;
 
   void SetMode(Mode mode) {
     mode_ = mode;
   }
 
   void SetFlag(Flag flag) { flags_ |= flag; }
 
   void SetFlag(Flag flag, bool value) {
     flags_ = value ? flags_ | flag : flags_ & ~flag;
@@ skipping 110 matching lines @@
   MUST_USE_RESULT Status SetLastStatus(Status status) {
     last_status_ = status;
     return last_status_;
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_