[strong] Implement static restrictions on direct eval

src/preparser.h

Index: src/preparser.h
diff --git a/src/preparser.h b/src/preparser.h
index 0b00f819abe1f1bcc0543c7f823b8981ee3a2cfb..f08c3c72c33b0caa67a8520d28a2ee54b1f6c8f5 100644
--- a/src/preparser.h
+++ b/src/preparser.h
@@ -2808,6 +2808,12 @@ ParserBase<Traits>::ParseLeftHandSideExpression(bool* ok) {
         if (scanner()->current_token() == Token::IDENTIFIER) {
           // For call of an identifier we want to report position of
           // the identifier as position of the call in the stack trace.
+          if (is_strong(language_mode()) && this->IsIdentifier(result) &&
+              this->IsEval(this->AsIdentifier(result))) {
+            ReportMessage("strong_direct_eval");
+            *ok = false;
+            return this->EmptyExpression();
+          }
           pos = position();
         } else {
           // For other kinds of calls we record position of the parenthesis as