[turbofan] Add support for relevant ES6 type conversion intrinsics.

src/heap/heap.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_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 222 matching lines @@
   V(configurable_string, "configurable")                   \
   V(constructor_string, "constructor")                     \
   V(Date_string, "Date")                                   \
   V(default_string, "default")                             \
   V(done_string, "done")                                   \
   V(dot_result_string, ".result")                          \
   V(dot_string, ".")                                       \
   V(enumerable_string, "enumerable")                       \
   V(Error_string, "Error")                                 \
   V(eval_string, "eval")                                   \
+  V(false_string, "false")                                 \
   V(float32x4_string, "float32x4")                         \
   V(Float32x4_string, "Float32x4")                         \
   V(for_api_string, "for_api")                             \
   V(for_string, "for")                                     \
   V(function_string, "function")                           \
   V(Function_string, "Function")                           \
   V(Generator_string, "Generator")                         \
   V(get_string, "get")                                     \
   V(global_string, "global")                               \
   V(illegal_access_string, "illegal access")               \
@@ skipping 35 matching lines @@
   V(stack_string, "stack")                                 \
   V(strict_compare_ic_string, "===")                       \
   V(string_string, "string")                               \
   V(String_string, "String")                               \
   V(symbol_string, "symbol")                               \
   V(Symbol_string, "Symbol")                               \
   V(this_string, "this")                                   \
   V(throw_string, "throw")                                 \
   V(toJSON_string, "toJSON")                               \
   V(toString_string, "toString")                           \
+  V(true_string, "true")                                   \
   V(uint16x8_string, "uint16x8")                           \
   V(Uint16x8_string, "Uint16x8")                           \
   V(uint32x4_string, "uint32x4")                           \
   V(Uint32x4_string, "Uint32x4")                           \
   V(uint8x16_string, "uint8x16")                           \
   V(Uint8x16_string, "Uint8x16")                           \
   V(undefined_string, "undefined")                         \
   V(valueOf_string, "valueOf")                             \
   V(value_string, "value")                                 \
   V(WeakMap_string, "WeakMap")                             \
@@ skipping 2416 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_