http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55818
--- Comment #2 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> 2012-12-28 01:05:18 UTC --- Possible patch, testing. Index: list_read.c =================================================================== --- list_read.c (revision 194731) +++ list_read.c (working copy) @@ -1429,6 +1429,7 @@ read_real (st_parameter_dt *dtp, void * dest, int goto got_sign; CASE_SEPARATORS: + case EOF: unget_char (dtp, c); /* Single null. */ eat_separator (dtp); return; @@ -1484,6 +1485,7 @@ read_real (st_parameter_dt *dtp, void * dest, int goto got_repeat; CASE_SEPARATORS: + case EOF: if (c != '\n' && c != ',' && c != '\r' && c != ';') unget_char (dtp, c); goto done;