Remove redundant --always-full-compiler flag.

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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 303 matching lines @@
   DCHECK(!info()->IsCompilingForDebugging());
 
   // We should never arrive here if there is no code object on the
   // shared function object.
   DCHECK(info()->shared_info()->code()->kind() == Code::FUNCTION);
 
   // We should never arrive here if optimization has been disabled on the
   // shared function info.
   DCHECK(!info()->shared_info()->optimization_disabled());
 
-  // Fall back to using the full code generator if it's not possible
-  // to use the Hydrogen-based optimizing compiler. We already have
-  // generated code for this from the shared function object.
-  if (FLAG_always_full_compiler) return AbortOptimization();
-
   // Do not use crankshaft if we need to be able to set break points.
   if (isolate()->DebuggerHasBreakPoints()) {
     return AbortOptimization(kDebuggerHasBreakPoints);
   }
 
   // Limit the number of times we re-compile a functions with
   // the optimizing compiler.
   const int kMaxOptCount =
       FLAG_deopt_every_n_times == 0 ? FLAG_max_opt_count : 1000;
   if (info()->opt_count() > kMaxOptCount) {
@@ skipping 1048 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal