Fix bad reinterpret_cast of StringFromCodePointOperator

src/compiler/simplified-operator.cc

 // 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.
 
 #include "src/compiler/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/types.h"
@@ skipping 456 matching lines @@
     Name##Operator()                                                     \
         : Operator(IrOpcode::k##Name,                                    \
                    Operator::kFoldable | Operator::kNoThrow, #Name,      \
                    value_input_count, 1, 1, value_output_count, 1, 0) {} \
   };                                                                     \
   Name##Operator k##Name;
   CHECKED_OP_LIST(CHECKED)
 #undef CHECKED
 
   template <UnicodeEncoding kEncoding>
-  struct StringFromCodePointOperator final : public Operator {
+  struct StringFromCodePointOperator final : public Operator1<UnicodeEncoding> {
     StringFromCodePointOperator()
-        : Operator(IrOpcode::kStringFromCodePoint, Operator::kPure,
-                   "StringFromCodePoint", 1, 0, 0, 1, 0, 0) {}
+        : Operator1<UnicodeEncoding>(IrOpcode::kStringFromCodePoint,
+                                     Operator::kPure, "StringFromCodePoint", 1,
+                                     0, 0, 1, 0, 0, kEncoding) {}

[caitp, 2016/10/07 22:06:12]

LGTM, thanks for the fix

   };
   StringFromCodePointOperator<UnicodeEncoding::UTF16>
       kStringFromCodePointOperatorUTF16;
   StringFromCodePointOperator<UnicodeEncoding::UTF32>
       kStringFromCodePointOperatorUTF32;
 
   struct ArrayBufferWasNeuteredOperator final : public Operator {
     ArrayBufferWasNeuteredOperator()
         : Operator(IrOpcode::kArrayBufferWasNeutered, Operator::kEliminatable,
                    "ArrayBufferWasNeutered", 1, 1, 1, 1, 1, 0) {}
@@ skipping 325 matching lines @@
                         Operator::kNoDeopt | Operator::kNoThrow | properties,  \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8