[generators] Implement %GeneratorGetSourcePosition.

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 704 matching lines @@
       IrOpcode::kJSLoadProperty, Operator::kNoProperties,  // opcode
       "JSLoadProperty",                                    // name
       3, 1, 1, 1, 1, 2,                                    // counts
       access);                                             // parameter
 }
 
 const Operator* JSOperatorBuilder::GeneratorStore(int register_count) {
   return new (zone()) Operator1<int>(                   // --
       IrOpcode::kJSGeneratorStore, Operator::kNoThrow,  // opcode
       "JSGeneratorStore",                               // name
-      2 + register_count, 1, 1, 0, 1, 0,                // counts
+      3 + register_count, 1, 1, 0, 1, 0,                // counts
       register_count);                                  // parameter
 }
 
 const Operator* JSOperatorBuilder::GeneratorRestoreRegister(int index) {
   return new (zone()) Operator1<int>(                             // --
       IrOpcode::kJSGeneratorRestoreRegister, Operator::kNoThrow,  // opcode
       "JSGeneratorRestoreRegister",                               // name
       1, 1, 1, 1, 1, 0,                                           // counts
       index);                                                     // parameter
 }
@@ skipping 180 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