Remove a few outdated TODO(yangguo)

R=jgruber@chromium.org

Bug: v8:6071
Change-Id: I346775e827fe9b2f24409dbba642c97622e9ea7e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2149423Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67143}

src/execution/isolate.cc

@@ -1062,7 +1062,6 @@ Handle<Object> CaptureStackTrace(Isolate* isolate, Handle<Object> caller,
     }
   }
 
-  // TODO(yangguo): Queue this structured stack trace for preprocessing on GC.
   return builder.GetElementsAsStackTraceFrameArray();
 }
 

src/handles/handles.h

@@ -148,7 +148,7 @@ class Handle final : public HandleBase {
   template <typename S>
   inline static const Handle<T> cast(Handle<S> that);
 
-  // TODO(yangguo): Values that contain empty handles should be declared as
+  // Consider declaring values that contain empty handles as
   // MaybeHandle to force validation before being used as handles.
   static const Handle<T> null() { return Handle<T>(); }
 

src/parsing/parse-info.cc

@@ -93,8 +93,6 @@ ParseInfo::ParseInfo(Isolate* isolate, SharedFunctionInfo shared)
     : ParseInfo(isolate, isolate->allocator(),
                 Script::cast(shared.script()).id()) {
   // Do not support re-parsing top-level function of a wrapped script.
-  // TODO(yangguo): consider whether we need a top-level function in a
-  //                wrapped script at all.
   DCHECK_IMPLIES(is_toplevel(), !Script::cast(shared.script()).is_wrapped());
 
   set_allow_lazy_parsing(true);

src/runtime/runtime-regexp.cc

@@ -1234,7 +1234,6 @@ static Object SearchRegExpMultiple(Isolate* isolate, Handle<String> subject,
 
     if (subject_length > kMinLengthToCache) {
       // Store the last successful match into the array for caching.
-      // TODO(yangguo): do not expose last match to JS and simplify caching.
       int capture_registers = (capture_count + 1) * 2;
       Handle<FixedArray> last_match_cache =
           isolate->factory()->NewFixedArray(capture_registers);

test/message/message.status

@@ -44,8 +44,8 @@
 }], # arch != x64 and arch != ia32 and arch != arm64 and arch != arm
 
 ['variant == code_serializer', {
-  # TODO(yangguo): Code serializer output is incompatible with all message
-  # tests.
+  # Code serializer output is incompatible with all message tests
+  # because the same test is executed twice.
   '*': [SKIP],
 }],  # variant == code_serializer