diff options
Diffstat (limited to 'libcpp/line-map.c')
| -rw-r--r-- | libcpp/line-map.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libcpp/line-map.c b/libcpp/line-map.c index f0e6318..b5e1f13 100644 --- a/libcpp/line-map.c +++ b/libcpp/line-map.c @@ -304,6 +304,8 @@ pure_location_p (line_maps *set, source_location loc) return false; const line_map *map = linemap_lookup (set, loc); + if (map == NULL) + return true; const line_map_ordinary *ordmap = linemap_check_ordinary (map); if (loc & ((1U << ordmap->m_range_bits) - 1)) @@ -492,6 +494,11 @@ linemap_add (struct line_maps *set, enum lc_reason reason, } linemap_assert (reason != LC_ENTER_MACRO); + + if (start_location >= LINE_MAP_MAX_LOCATION) + /* We ran out of line map space. */ + start_location = 0; + line_map_ordinary *map = linemap_check_ordinary (new_linemap (set, start_location)); map->reason = reason; |