From: Akim Demaille <akim@epita.fr>
Date: Wed, 27 Aug 2003 07:00:10 +0000 (+0000)
Subject: * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
X-Git-Tag: BISON-2_0~208
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/62b6aef925259b8d513d36e581e6757e19ea437e

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

diff --git a/ChangeLog b/ChangeLog
index a7b160a5..466d8de8 100644
--- 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
diff --git a/data/lalr1.cc b/data/lalr1.cc
index c434c9bd..4fe3c2ad 100644
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -573,6 +573,13 @@ b4_syncline([@oline@], [@ofile@])[
 `---------------------------------------------------*/
 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_);