[builtins] Make Math.ceil, Math.trunc and Math.round optimizable.

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 6601 matching lines @@
   V(Math, min, MathMin)                                     \
   V(Math, cos, MathCos)                                     \
   V(Math, sin, MathSin)                                     \
   V(Math, tan, MathTan)                                     \
   V(Math, acos, MathAcos)                                   \
   V(Math, asin, MathAsin)                                   \
   V(Math, atan, MathAtan)                                   \
   V(Math, atan2, MathAtan2)                                 \
   V(Math, imul, MathImul)                                   \
   V(Math, clz32, MathClz32)                                 \
-  V(Math, fround, MathFround)
+  V(Math, fround, MathFround)                               \
+  V(Math, trunc, MathTrunc)
 
 #define ATOMIC_FUNCTIONS_WITH_ID_LIST(V) \
   V(Atomics, load, AtomicsLoad)          \
   V(Atomics, store, AtomicsStore)
 
 enum BuiltinFunctionId {
   kArrayCode,
   kGeneratorObjectNext,
   kGeneratorObjectReturn,
   kGeneratorObjectThrow,
@@ skipping 4264 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_