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-rw-r--r--gcc/treelang/lex.l5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/treelang/lex.l b/gcc/treelang/lex.l
index 12b211e..a93432f 100644
--- a/gcc/treelang/lex.l
+++ b/gcc/treelang/lex.l
@@ -4,7 +4,7 @@
---------------------------------------------------------------------
- Copyright (C) 1986, 87, 89, 92-96, 1997, 1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1986, 87, 89, 92-96, 1997, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
@@ -233,6 +233,9 @@ update_lineno_charno (void)
int yyl;
((struct prod_token_parm_item *)yylval)->tp.tok.location = input_location;
((struct prod_token_parm_item *)yylval)->tp.tok.charno = next_tree_charno;
+ if (input_line == 0)
+ input_line = 1;
+
for ( yyl = 0; yyl < yyleng; ++yyl )
{
if ( yytext[yyl] == '\n' )