* data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify

GCC warnings.

diff --git a/ChangeLog b/ChangeLog
index a7b160a562797a43a6dbe97e3f2a177d27901235..466d8de89753921a8248e79c65ee1a3164853c09 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-08-27  Akim Demaille  <akim@epita.fr>
+
+       * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
+       GCC warnings.
+

 2003-08-26  Akim Demaille  <akim@epita.fr>
 
        * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
 2003-08-26  Akim Demaille  <akim@epita.fr>
 
        * config/announce-gen (print_changelog_deltas): Neutralize "<#" as

diff --git a/data/lalr1.cc b/data/lalr1.cc
index c434c9bdddea2ba4d7d9bd28e0d90455cbb40248..4fe3c2ada7b6b68982f528fc03cf3032b5c27e35 100644 (file)
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -573,6 +573,13 @@ b4_syncline([@oline@], [@ofile@])[
 `---------------------------------------------------*/
 yyerrorlab:
 
 `---------------------------------------------------*/
 yyerrorlab:
 

+#ifdef __GNUC__
+  /* Pacify GCC when the user code never invokes YYERROR and the label
+     yyerrorlab therefore never appears in user code.  */
+  if (0)
+     goto yyerrorlab;
+#endif
+

   state_stack_.pop (len_);
   semantic_stack_.pop (len_);
   location_stack_.pop (len_);
   state_stack_.pop (len_);
   semantic_stack_.pop (len_);
   location_stack_.pop (len_);