Introduce a separate FunctionLiteral ID for Eval

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index 3e0637b70185d9a7d4328ef9f07447f619629c4b..e1e117549fb673c4944d52090a683a011f981ef8 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -747,6 +747,7 @@ FunctionLiteral* Parser::DoParseProgram(ParseInfo* info) {
   ParsingModeScope mode(this, allow_lazy_ ? PARSE_LAZILY : PARSE_EAGERLY);
   ResetFunctionLiteralId();
   DCHECK(info->function_literal_id() == FunctionLiteral::kIdTypeTopLevel ||
+         info->function_literal_id() == FunctionLiteral::kIdTypeEval ||
          info->function_literal_id() == FunctionLiteral::kIdTypeInvalid);
 
   FunctionLiteral* result = NULL;
@@ -834,7 +835,9 @@ FunctionLiteral* Parser::DoParseProgram(ParseInfo* info) {
       int parameter_count = parsing_module_ ? 1 : 0;
       result = factory()->NewScriptOrEvalFunctionLiteral(
           scope, body, function_state.materialized_literal_count(),
-          function_state.expected_property_count(), parameter_count);
+          function_state.expected_property_count(), parameter_count,
+          info->is_eval() ? FunctionLiteral::kIdTypeEval
+                          : FunctionLiteral::kIdTypeTopLevel);
     }
   }