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authorJason Merrill <jason@redhat.com>2017-11-14 11:02:57 -0500
committerJason Merrill <jason@gcc.gnu.org>2017-11-14 11:02:57 -0500
commit21faa10189001f70361ca13133b01a815d2b342c (patch)
tree931e4ec35ba245c1ce72ae664a03ce5b25f38cb6 /gcc/hash-traits.h
parent55518e0f5df1f1693e060ddd595a86ac816ec291 (diff)
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Support GTY((cache)) on hash_map.
gcc/ * hash-traits.h (ggc_remove): Add ggc_maybe_mx member function. (ggc_cache_remove): Override it instead of ggc_mx. * hash-table.h (gt_ggc_mx): Call it instead of ggc_mx. (gt_cleare_cache): Call ggc_mx instead of gt_ggc_mx. * hash-map-traits.h (simple_hashmap_traits): Add maybe_mx member. (simple_cache_map_traits): Override maybe_mx. * hash-map.h (hash_entry): Add ggc_maybe_mx and keep_cache_entry. (hash_map): Friend gt_cleare_cache. (gt_cleare_cache): New. * tree.h (tree_cache_traits): New hash_map traits class. (tree_cache_map): New typedef. gcc/cp/ * decl.c (decomp_type_table): Use tree_cache_map. * init.c (nsdmi_inst): Likewise. * pt.c (defarg_ints): Likewise. * cp-objcp-common.c (cp_get_debug_type): Likewise. From-SVN: r254731
Diffstat (limited to 'gcc/hash-traits.h')
-rw-r--r--gcc/hash-traits.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/hash-traits.h b/gcc/hash-traits.h
index a5c4f10..6a613c4 100644
--- a/gcc/hash-traits.h
+++ b/gcc/hash-traits.h
@@ -235,6 +235,13 @@ struct ggc_remove
gt_ggc_mx (p);
}
+ /* Overridden in ggc_cache_remove. */
+ static void
+ ggc_maybe_mx (T &p)
+ {
+ ggc_mx (p);
+ }
+
static void
pch_nx (T &p)
{
@@ -256,7 +263,7 @@ template<typename T>
struct ggc_cache_remove : ggc_remove<T>
{
/* Entries are weakly held because this is for caches. */
- static void ggc_mx (T &) {}
+ static void ggc_maybe_mx (T &) {}
static int
keep_cache_entry (T &e)