Initial shot at deoptimizing JSCallFunction in Turbofan.

test/cctest/compiler/test-scheduler.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/cctest.h"
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/generic-node-inl.h"
 #include "src/compiler/generic-node.h"
@@ skipping 1695 matching lines @@
   Handle<SharedFunctionInfo> shared_function = Compiler::CompileScript(
       source_code, Handle<String>(), 0, 0, false,
       Handle<Context>(isolate->native_context()), NULL, NULL,
       v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE);
   return isolate->factory()->NewFunctionFromSharedFunctionInfo(
       shared_function, isolate->native_context());
 }
 
 
 TEST(BuildScheduleTrivialLazyDeoptCall) {
+  FLAG_turbo_deoptimization = true;
+
   HandleAndZoneScope scope;
   Isolate* isolate = scope.main_isolate();
   Graph graph(scope.main_zone());
   CommonOperatorBuilder common(scope.main_zone());
   JSOperatorBuilder js_builder(scope.main_zone());
 
   InitializedHandleScope handles;
   Handle<JSFunction> function = Compile("m()");
   CompilationInfoWithZone info(function);
   Linkage linkage(&info);
@@ skipping 103 matching lines @@
   CHECK_EQ(deoptimization_node, deopt_block->control_input_);
   CHECK_EQ(5, static_cast<int>(deopt_block->nodes_.size()));
   CHECK_EQ(lazy_deopt_node, deopt_block->nodes_[0]);
   CHECK_EQ(IrOpcode::kStateValues, deopt_block->nodes_[1]->op()->opcode());
   CHECK_EQ(IrOpcode::kStateValues, deopt_block->nodes_[2]->op()->opcode());
   CHECK_EQ(IrOpcode::kStateValues, deopt_block->nodes_[3]->op()->opcode());
   CHECK_EQ(state_node, deopt_block->nodes_[4]);
 }
 
 #endif