tests: add -pedantic for --enable-gcc-warnings.

[bison.git] / src / symtab.c

diff --git a/src/symtab.c b/src/symtab.c
index f9f78b313667e8eac55a85a5b169c753ca71090b..f065c80d30ab73b497ec7c385286409c4da36d42 100644 (file)
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -368,10 +368,11 @@ symbol_user_token_number_set (symbol *sym, int user_token_number, location loc)
   if (user_token_number == 0)
     {
       endtoken = sym;
-      endtoken->number = 0;
       /* It is always mapped to 0, so it was already counted in
         NTOKENS.  */
-      --ntokens;
+      if (endtoken->number != NUMBER_UNDEFINED)
+        --ntokens;
+      endtoken->number = 0;
     }
 }