[debugger] step-next across yield should not leave the generator.

src/runtime/runtime.h

 // 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.
 
 #ifndef V8_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include <memory>
 
 #include "src/allocation.h"
@@ skipping 175 matching lines @@
   F(GetScript, 1, 1)                            \
   F(ScriptLineCount, 1, 1)                      \
   F(ScriptLineStartPosition, 2, 1)              \
   F(ScriptLineEndPosition, 2, 1)                \
   F(ScriptLocationFromLine, 4, 1)               \
   F(ScriptLocationFromLine2, 4, 1)              \
   F(ScriptPositionInfo, 3, 1)                   \
   F(ScriptSourceLine, 2, 1)                     \
   F(DebugPrepareStepInIfStepping, 1, 1)         \
   F(DebugPrepareStepInSuspendedGenerator, 0, 1) \
-  F(DebugRecordAsyncFunction, 1, 1)             \
+  F(DebugRecordGenerator, 1, 1)                 \
   F(DebugPushPromise, 1, 1)                     \
   F(DebugPopPromise, 0, 1)                      \
   F(DebugNextMicrotaskId, 0, 1)                 \
   F(DebugAsyncTaskEvent, 3, 1)                  \
   F(DebugIsActive, 0, 1)                        \
   F(DebugBreakInOptimizedCode, 0, 1)
 
 #define FOR_EACH_INTRINSIC_ERROR(F) F(ErrorToString, 1, 1)
 
 #define FOR_EACH_INTRINSIC_FORIN(F) \
@@ skipping 921 matching lines @@
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 2);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 1> {};
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_