diff options
Diffstat (limited to 'gcc/hash-table.h')
| -rw-r--r-- | gcc/hash-table.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/hash-table.h b/gcc/hash-table.h index 31440f6..3f49345 100644 --- a/gcc/hash-table.h +++ b/gcc/hash-table.h @@ -91,8 +91,8 @@ along with GCC; see the file COPYING3. If not see We compose this into a few steps. 1. Decide on a removal policy for values stored in the table. - hash-traits.h provides class templates for the two most common - policies. + hash-traits.h provides class templates for the three most common + policies: * typed_free_remove implements the static 'remove' member function by calling free(). @@ -100,6 +100,11 @@ along with GCC; see the file COPYING3. If not see * typed_noop_remove implements the static 'remove' member function by doing nothing. + * ggc_remove implements the static 'remove' member by doing nothing, + but instead provides routines for gc marking and for PCH streaming. + Use this for garbage-collected data that needs to be preserved across + collections. + You can use these policies by simply deriving the descriptor type from one of those class template, with the appropriate argument. |