cpphash.h (struct cpp_buffer): Remove backup_to.

	* cpphash.h (struct cpp_buffer): Remove backup_to.
	* cpplex.c (BACKUP, get_effective_char): Die.
	(_cpp_skip_block_comment): Assume '*' is location on entry.
	(continues_identifier_p): Respect -fno-dollars-in-identifiers.
	(IF_NEXT_IS): Update.
	(_cpp_lex_direct): Don't use backup_to; look ahead directly.

From-SVN: r65819

gcc/ChangeLog

+2003-04-19  Neil Booth  <neil@daikokuya.co.uk>
+
+	* cpphash.h (struct cpp_buffer): Remove backup_to.
+	* cpplex.c (BACKUP, get_effective_char): Die.
+	(_cpp_skip_block_comment): Assume '*' is location on entry.
+	(continues_identifier_p): Respect -fno-dollars-in-identifiers.
+	(IF_NEXT_IS): Update.
+	(_cpp_lex_direct): Don't use backup_to; look ahead directly.
+
 2003-04-19  Matt Kraai  <kraai@alumni.cmu.edu>
 
 	* README.Portability: Move to a new section and obsolete K+R

gcc/cpphash.h

@@ -267,8 +267,6 @@ struct cpp_buffer
 
   struct cpp_buffer *prev;
 
-  const unsigned char *backup_to; /* Soon to die.  */
-
   /* Pointer into the include table; non-NULL if this is a file
      buffer.  Used for include_next and to record control macros.  */
   struct include_file *inc;