diff options
Diffstat (limited to 'gcc/line-map.h')
-rw-r--r-- | gcc/line-map.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/line-map.h b/gcc/line-map.h index d5705c75614..865fbced5b6 100644 --- a/gcc/line-map.h +++ b/gcc/line-map.h @@ -69,7 +69,8 @@ extern void free_line_maps at least as long as the final call to lookup_line (). FROM_LINE should be monotonic increasing across calls to this - function. */ + function. A call to this function can relocate the previous set of + maps, so any stored line_map pointers should not be used. */ extern struct line_map *add_line_map PARAMS ((struct line_maps *, enum lc_reason, unsigned int from_line, const char *to_file, unsigned int to_line)); |