[turbofan] Enable deoptimization for non-asm.js TurboFan code.

test/cctest/compiler/test-run-jsexceptions.cc

 // Copyright 2014 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 "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
@@ skipping 211 matching lines @@
   FunctionTester T(src);
 
   T.CheckCall(T.Val("-A-"), T.true_value(), T.false_value());
   T.CheckCall(T.Val("-A-B-D-"), T.false_value(), T.true_value());
   T.CheckCall(T.Val("-A-B-C-D-"), T.false_value(), T.false_value());
 }
 
 
 TEST(DeoptTry) {
   i::FLAG_turbo_exceptions = true;
-  i::FLAG_turbo_deoptimization = true;
   const char* src =
       "(function f(a) {"
       "  try {"
       "    %DeoptimizeFunction(f);"
       "    throw a;"
       "  } catch (e) {"
       "    return e + 1;"
       "  }"
       "})";
   FunctionTester T(src);
 
   T.CheckCall(T.Val(2), T.Val(1));
 }
 
 
 TEST(DeoptCatch) {
   i::FLAG_turbo_exceptions = true;
-  i::FLAG_turbo_deoptimization = true;
   const char* src =
       "(function f(a) {"
       "  try {"
       "    throw a;"
       "  } catch (e) {"
       "    %DeoptimizeFunction(f);"
       "    return e + 1;"
       "  }"
       "})";
   FunctionTester T(src);
 
   T.CheckCall(T.Val(2), T.Val(1));
 }
 
 
 TEST(DeoptFinallyReturn) {
   i::FLAG_turbo_exceptions = true;
-  i::FLAG_turbo_deoptimization = true;
   const char* src =
       "(function f(a) {"
       "  try {"
       "    throw a;"
       "  } finally {"
       "    %DeoptimizeFunction(f);"
       "    return a + 1;"
       "  }"
       "})";
   FunctionTester T(src);
 
   T.CheckCall(T.Val(2), T.Val(1));
 }
 
 
 TEST(DeoptFinallyReThrow) {
   i::FLAG_turbo_exceptions = true;
-  i::FLAG_turbo_deoptimization = true;
   const char* src =
       "(function f(a) {"
       "  try {"
       "    throw a;"
       "  } finally {"
       "    %DeoptimizeFunction(f);"
       "  }"
       "})";
   FunctionTester T(src);
 
 #if 0  // TODO(mstarzinger): Enable once we can.
   T.CheckThrows(T.NewObject("new Error"), T.Val(1));
 #endif
 }