https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100142
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
diff --git a/libcpp/line-map.c b/libcpp/line-map.c
index 2f5e44447d2..a03d6760a8e 100644
--- a/libcpp/line-map.c
+++ b/libcpp/line-map.c
@@ -982,7 +982,7 @@ linemap_position_for_loc_and_offset (line_maps *set,
the next line map of the set. Otherwise, we try to encode the
location in the next map. */
for (; map != LINEMAPS_LAST_ORDINARY_MAP (set)
- && (loc + (column << map->m_range_bits)
+ && (loc + (column_offset << map->m_range_bits)
>= MAP_START_LOCATION (map + 1)); map++)
/* If the next map is a different file, or starts in a higher line, we
cannot encode the location there. */
fixes it (pasto in original fix?) and seems to preserve fixing the original PR
(but that had no testcase added).
