Merge GDB 7.5.1

gdb/m2-exp.y

 /* YACC grammar for Modula-2 expressions, for GDB.
    Copyright (C) 1986, 1989-1996, 1999-2000, 2007-2012 Free Software
    Foundation, Inc.
    Generated from expread.y (now c-exp.y) and contributed by the Department
    of Computer Science at the State University of New York at Buffalo, 1991.
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ skipping 82 matching lines @@
 #define yyrule  m2_rule         /* With YYDEBUG defined */
 #define yylhs   m2_yylhs
 #define yylen   m2_yylen
 #define yydefred m2_yydefred
 #define yydgoto m2_yydgoto
 #define yysindex m2_yysindex
 #define yyrindex m2_yyrindex
 #define yygindex m2_yygindex
 #define yytable  m2_yytable
 #define yycheck  m2_yycheck
+#define yyss    m2_yyss
+#define yysslim m2_yysslim
+#define yyssp   m2_yyssp
+#define yystacksize m2_yystacksize
+#define yyvs    m2_yyvs
+#define yyvsp   m2_yyvsp
 
 #ifndef YYDEBUG
 #define YYDEBUG 1               /* Default to yydebug support */
 #endif
 
 #define YYFPRINTF parser_fprintf
 
 int yyparse (void);
 
 static int yylex (void);
 
 void yyerror (char *);
 
-#if 0
-static char *make_qualname (char *, char *);
-#endif
-
 static int parse_number (int);
 
 /* The sign of the number being parsed.  */
 static int number_sign = 1;
 
-/* The block that the module specified by the qualifer on an identifer is
-   contained in, */
-#if 0
-static struct block *modblock=0;
-#endif
-
 %}
 
 /* Although the yacc "value" of an expression is not used,
    since the result is stored in the structure being created,
    other node types do have values.  */
 
 %union
   {
     LONGEST lval;
     ULONGEST ulval;
@@ skipping 437 matching lines @@
         ;
 
 /* GDB internal ($foo) variable */
 variable:       INTERNAL_VAR
         ;
 
 /* GDB scope operator */
 variable:       block COLONCOLON NAME
                         { struct symbol *sym;
                           sym = lookup_symbol (copy_name ($3), $1,