[generators] Implement %GeneratorGetSourcePosition.

src/interpreter/bytecode-generator.cc

 // 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.
 
 #include "src/interpreter/bytecode-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/interpreter/bytecode-register-allocator.h"
@@ skipping 2216 matching lines @@
     RegisterAllocationScope register_scope(this);
 
     // Update state to indicate that we have finished resuming. Loop headers
     // rely on this.
     builder()
         ->LoadLiteral(Smi::FromInt(JSGeneratorObject::kGeneratorExecuting))
         .StoreAccumulatorInRegister(generator_state_);
 
     Register input = register_allocator()->NewRegister();
     builder()
-        ->CallRuntime(Runtime::kInlineGeneratorGetInput, generator, 1)
+        ->CallRuntime(Runtime::kInlineGeneratorGetInputOrDebugPos, generator, 1)
         .StoreAccumulatorInRegister(input);
 
     Register resume_mode = register_allocator()->NewRegister();
     builder()
         ->CallRuntime(Runtime::kInlineGeneratorGetResumeMode, generator, 1)
         .StoreAccumulatorInRegister(resume_mode);
 
     // Now dispatch on resume mode.
 
     BytecodeLabel resume_with_next;
@@ skipping 931 matching lines @@
   return execution_context()->scope()->language_mode();
 }
 
 int BytecodeGenerator::feedback_index(FeedbackVectorSlot slot) const {
   return TypeFeedbackVector::GetIndex(slot);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8