Teach Scopes whether they will end up being lazily compiled or not

src/compilation-info.cc

 // Copyright 2016 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/compilation-info.h"
 
 #include "src/api.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/isolate.h"
 #include "src/parsing/parse-info.h"
 
 namespace v8 {
 namespace internal {
 
 #define PARSE_INFO_GETTER(type, name)  \
   type CompilationInfo::name() const { \
     CHECK(parse_info());               \
     return parse_info()->name();       \
   }
 
 #define PARSE_INFO_GETTER_WITH_DEFAULT(type, name, def) \
   type CompilationInfo::name() const {                  \
     return parse_info() ? parse_info()->name() : def;   \
   }
 
+#define PARSE_INFO_GETTER_AND_SETTER(type, name, def) \
+  type CompilationInfo::name() const {                \
+    return parse_info() ? parse_info()->name() : def; \
+  }                                                   \
+                                                      \
+  void CompilationInfo::set_##name() {                \
+    CHECK(parse_info());                              \
+    parse_info()->set_##name();                       \
+  }
+
 PARSE_INFO_GETTER(Handle<Script>, script)
 PARSE_INFO_GETTER(FunctionLiteral*, literal)
 PARSE_INFO_GETTER_WITH_DEFAULT(DeclarationScope*, scope, nullptr)
 PARSE_INFO_GETTER(Handle<SharedFunctionInfo>, shared_info)
+PARSE_INFO_GETTER_AND_SETTER(bool, is_debug, false)
+PARSE_INFO_GETTER_AND_SETTER(bool, will_serialize, false)
 
 #undef PARSE_INFO_GETTER
 #undef PARSE_INFO_GETTER_WITH_DEFAULT
+#undef PARSE_INFO_GETTER_AND_SETTER
 
 bool CompilationInfo::has_shared_info() const {
   return parse_info_ && !parse_info_->shared_info().is_null();
 }
 
 CompilationInfo::CompilationInfo(ParseInfo* parse_info,
                                  Handle<JSFunction> closure)
     : CompilationInfo(parse_info, {}, Code::ComputeFlags(Code::FUNCTION), BASE,
                       parse_info->isolate(), parse_info->zone()) {
   closure_ = closure;
@@ skipping 161 matching lines @@
   inlined_functions_.push_back(InlinedFunctionHolder(
       inlined_function, handle(inlined_function->code())));
 }
 
 Code::Kind CompilationInfo::output_code_kind() const {
   return Code::ExtractKindFromFlags(code_flags_);
 }
 
 }  // namespace internal
 }  // namespace v8