Use a different map to distinguish eval contexts

src/compiler/js-operator.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/compiler/js-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
@@ skipping 842 matching lines @@
 
 
 const Operator* JSOperatorBuilder::CreateFunctionContext(int slot_count) {
   return new (zone()) Operator1<int>(                               // --
       IrOpcode::kJSCreateFunctionContext, Operator::kNoProperties,  // opcode
       "JSCreateFunctionContext",                                    // name
       1, 1, 1, 1, 1, 2,                                             // counts
       slot_count);                                                  // parameter
 }
 
+const Operator* JSOperatorBuilder::CreateEvalContext(int slot_count) {
+  return new (zone()) Operator1<int>(                           // --
+      IrOpcode::kJSCreateEvalContext, Operator::kNoProperties,  // opcode
+      "JSCreateEvalContext",                                    // name
+      1, 1, 1, 1, 1, 2,                                         // counts
+      slot_count);                                              // parameter
+}
+
 const Operator* JSOperatorBuilder::CreateCatchContext(
     const Handle<String>& name, const Handle<ScopeInfo>& scope_info) {
   CreateCatchContextParameters parameters(name, scope_info);
   return new (zone()) Operator1<CreateCatchContextParameters>(
       IrOpcode::kJSCreateCatchContext, Operator::kNoProperties,  // opcode
       "JSCreateCatchContext",                                    // name
       2, 1, 1, 1, 1, 2,                                          // counts
       parameters);                                               // parameter
 }
 
@@ skipping 21 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scpope_info);                                               // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8