diff options
Diffstat (limited to 'libcpp/line-map.c')
| -rw-r--r-- | libcpp/line-map.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libcpp/line-map.c b/libcpp/line-map.c index 572d7f4..d6924eb 100644 --- a/libcpp/line-map.c +++ b/libcpp/line-map.c @@ -764,7 +764,11 @@ linemap_line_start (line_maps *set, linenum_type to_line, /* Locations of ordinary tokens are always lower than locations of macro tokens. */ if (r >= LINE_MAP_MAX_LOCATION) - return 0; + { + /* Remember we overflowed. */ + set->highest_line = set->highest_location = LINE_MAP_MAX_LOCATION - 1; + return 0; + } set->highest_line = r; if (r > set->highest_location) |