parse.y (yyerror): `msg' can be null, don't use it in that case.

2000-04-19  Alexandre Petit-Bianco  <apbianco@cygnus.com>

	* parse.y (yyerror): `msg' can be null, don't use it in that case.

From-SVN: r33270

gcc/java/ChangeLog

+2000-04-19  Alexandre Petit-Bianco  <apbianco@cygnus.com>
+
+	* parse.y (yyerror): `msg' can be null, don't use it in that case.
+
 2000-04-19  Tom Tromey  <tromey@cygnus.com>
 
 	* gjavah.c (cxx_keyword_subst): Avoid potential infinite loop.

gcc/java/parse.c

@@ -5630,7 +5630,7 @@ yyerror (msg)
   else
     java_error_count++;
   
-  if (elc.col == 0 && msg[1] == ';')
+  if (elc.col == 0 && msg && msg[1] == ';')
     {
       elc.col  = ctxp->p_line->char_col-1;
       elc.line = ctxp->p_line->lineno;

gcc/java/parse.y

@@ -2932,7 +2932,7 @@ yyerror (msg)
   else
     java_error_count++;
   
-  if (elc.col == 0 && msg[1] == ';')
+  if (elc.col == 0 && msg && msg[1] == ';')
     {
       elc.col  = ctxp->p_line->char_col-1;
       elc.line = ctxp->p_line->lineno;