Parse eagerly inside block scopes.

src/scopes.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_SCOPES_H_
 #define V8_SCOPES_H_
 
 #include "src/ast.h"
 #include "src/pending-compilation-error-handler.h"
 #include "src/zone.h"
@@ skipping 452 matching lines @@
 
   // For script scopes, the number of module literals (including nested ones).
   int num_modules() const { return num_modules_; }
 
   // For module scopes, the host scope's internal variable binding this module.
   Variable* module_var() const { return module_var_; }
 
   // Make sure this scope and all outer scopes are eagerly compiled.
   void ForceEagerCompilation()  { force_eager_compilation_ = true; }
 
+  // Determine if we can parse a function literal in this scope lazily.
+  bool AllowsLazyParsing() const;
+
   // Determine if we can use lazy compilation for this scope.
   bool AllowsLazyCompilation() const;
 
   // Determine if we can use lazy compilation for this scope without a context.
   bool AllowsLazyCompilationWithoutContext() const;
 
   // True if the outer context of this scope is always the native context.
   bool HasTrivialOuterContext() const;
 
   // True if the outer context allows lazy compilation of this scope.
@@ skipping 282 matching lines @@
   PendingCompilationErrorHandler pending_error_handler_;
 
   // For tracking which classes are declared consecutively. Needed for strong
   // mode.
   int class_declaration_group_start_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCOPES_H_