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| author | Nathan Sidwell <nathan@acm.org> | 2017-10-10 20:42:45 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2017-10-10 20:42:45 +0000 |
| commit | d6b605f6ae91ad83e2c7cae9c420f05a572c973d (patch) | |
| tree | d71383654d28f92898da18646ee290aed835ee19 /gcc | |
| parent | 92395f1c2473db7898ca06fa9b17f144564554df (diff) | |
| download | gcc-d6b605f6ae91ad83e2c7cae9c420f05a572c973d.zip gcc-d6b605f6ae91ad83e2c7cae9c420f05a572c973d.tar.gz gcc-d6b605f6ae91ad83e2c7cae9c420f05a572c973d.tar.bz2 | |
[C++ PATCH] Kill unneeded hash specialization
https://gcc.gnu.org/ml/gcc-patches/2017-10/msg00621.html
* cp-tree.h (default_hash_traits <lang_identifier *>): Delete
specialization.
From-SVN: r253620
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/cp/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cp/cp-tree.h | 24 |
2 files changed, 3 insertions, 24 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 40c4c2f..25083eb 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,5 +1,8 @@ 2017-10-10 Nathan Sidwell <nathan@acm.org> + * cp-tree.h (default_hash_traits <lang_identifier *>): Delete + specialization. + * decl2.c (struct mangled_decl_hash): New hash traits. (mangled_decls): Make hash_table<mangled_decl_hash>. (generate_mangling_alias, record_mangling): Adjust. diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 1c008db..4fb2dc8 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -572,30 +572,6 @@ identifier_p (tree t) return NULL; } -/* Hash trait specialization for lang_identifiers. This allows - PCH-safe maps keyed by DECL_NAME. If it wasn't for PCH, we could - just use a regular tree key. */ - -template <> -struct default_hash_traits <lang_identifier *> - : pointer_hash <tree_node> -{ - /* Use a regular tree as the type, to make using the hash table - simpler. We'll get dynamic type checking with the hash function - itself. */ - GTY((skip)) typedef tree value_type; - GTY((skip)) typedef tree compare_type; - - static hashval_t hash (const value_type id) - { - return IDENTIFIER_HASH_VALUE (id); - } - - /* Nothing is deletable. Everything is insertable. */ - static bool is_deleted (value_type) { return false; } - static void remove (value_type) { gcc_unreachable (); } -}; - #define LANG_IDENTIFIER_CAST(NODE) \ ((struct lang_identifier*)IDENTIFIER_NODE_CHECK (NODE)) |