[builtins] Migrate Math.hypot() to C++ builtins.

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 6719 matching lines @@
   V(Math, tan, MathTan)                                     \
   V(Math, tanh, MathTanh)                                   \
   V(Math, acos, MathAcos)                                   \
   V(Math, asin, MathAsin)                                   \
   V(Math, atan, MathAtan)                                   \
   V(Math, atan2, MathAtan2)                                 \
   V(Math, atanh, MathAtanh)                                 \
   V(Math, imul, MathImul)                                   \
   V(Math, clz32, MathClz32)                                 \
   V(Math, fround, MathFround)                               \
-  V(Math, trunc, MathTrunc)
+  V(Math, trunc, MathTrunc)                                 \
+  V(Math, hypot, MathHypot)

[Benedikt Meurer, 2016/07/01 03:41:20]

You don't need to add it here. This is only used to recognize the function in
the optimizing compilers, but since we don't optimize it in any ways, it doesn't
have to be on this list.

 
 #define ATOMIC_FUNCTIONS_WITH_ID_LIST(V) \
   V(Atomics, load, AtomicsLoad)          \
   V(Atomics, store, AtomicsStore)
 
 enum BuiltinFunctionId {
   kArrayCode,
 #define DECLARE_FUNCTION_ID(ignored1, ignore2, name)    \
   k##name,
   FUNCTIONS_WITH_ID_LIST(DECLARE_FUNCTION_ID)
@@ skipping 4174 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_