Update contrib/tools/bison to 3.7.6

583623e1fb299df0a04a0aecdc47eb759ef412b9

1 files changed, 15 insertions, 4 deletions

diff --git a/contrib/tools/bison/src/main.c b/contrib/tools/bison/src/main.c
index 9b93742787..63856fed1c 100644
--- a/contrib/tools/bison/src/main.c
+++ b/contrib/tools/bison/src/main.c
@@ -1,7 +1,7 @@
 /* Top level entry point of Bison.
 
    Copyright (C) 1984, 1986, 1989, 1992, 1995, 2000-2002, 2004-2015,
-   2018-2020 Free Software Foundation, Inc.
+   2018-2021 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -16,7 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include "system.h"
@@ -33,10 +33,12 @@
 
 #include "complain.h"
 #include "conflicts.h"
+#include "counterexample.h"
 #include "derives.h"
 #include "files.h"
 #include "fixits.h"
 #include "getargs.h"
+#include "glyphs.h"
 #include "gram.h"
 #include "ielr.h"
 #include "lalr.h"
@@ -44,6 +46,7 @@
 #include "muscle-tab.h"
 #include "nullable.h"
 #include "output.h"
+#include "parse-gram.h"
 #include "print-graph.h"
 #include "print-xml.h"
 #include "print.h"
@@ -74,6 +77,7 @@ main (int argc, char *argv[])
 
   atexit (close_stdout);
 
+  glyphs_init ();
   uniqstrs_new ();
   muscle_init ();
   complain_init ();
@@ -135,6 +139,9 @@ main (int argc, char *argv[])
       conflicts_update_state_numbers (old_to_new, nstates_old);
       free (old_to_new);
     }
+  if (report_flag & report_cex
+      || warning_is_enabled (Wcounterexamples))
+    counterexample_init ();
   conflicts_print ();
   timevar_pop (tv_conflicts);
 
@@ -208,11 +215,15 @@ main (int argc, char *argv[])
   reduce_free ();
   conflicts_free ();
   grammar_free ();
+  counterexample_free ();
   output_file_names_free ();
 
-  /* The scanner memory cannot be released right after parsing, as it
-     contains things such as user actions, prologue, epilogue etc.  */
+  /* The scanner and parser memory cannot be released right after
+     parsing, as it contains things such as user actions, prologue,
+     epilogue etc.  */
   gram_scanner_free ();
+  parser_free ();
+
   muscle_free ();
   code_scanner_free ();
   skel_scanner_free ();