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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-24 15:16:23 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-24 15:16:23 +0000 |
| commit | 743f8dd158dfe7981d3596c8e7c3e742c9fcc990 (patch) | |
| tree | f797391d227e5aa4b01ffffd275aa29817b4403c /gcc/langhooks.h | |
| parent | 5ad4aac1669af724bf6392e7c999d8565285a904 (diff) | |
| download | gcc-743f8dd158dfe7981d3596c8e7c3e742c9fcc990.tar.gz | |
PR c++/33506
* langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
field.
* langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
* tree.c (type_hash_eq): For FUNCTION_TYPE use
lang_hooks.type.type_hash_eq in addition to generic tests.
* cp-tree.h (cxx_type_hash_eq): New prototype.
* cp-objcp-common.h (LANG_HOOKS_TYPE_HASH_EQ): Redefine.
* tree.c (cxx_type_hash_eq): New function.
* g++.dg/ext/attrib29.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128718 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/langhooks.h')
| -rw-r--r-- | gcc/langhooks.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/langhooks.h b/gcc/langhooks.h index ad925a84c3b..7efe7425eb8 100644 --- a/gcc/langhooks.h +++ b/gcc/langhooks.h @@ -129,6 +129,12 @@ struct lang_hooks_for_types firstprivate variables. */ void (*omp_firstprivatize_type_sizes) (struct gimplify_omp_ctx *, tree); + /* Return TRUE if TYPE1 and TYPE2 are identical for type hashing purposes. + Called only after doing all language independent checks. + At present, this function is only called when both TYPE1 and TYPE2 are + FUNCTION_TYPEs. */ + bool (*type_hash_eq) (const_tree, const_tree); + /* Nonzero if types that are identical are to be hashed so that only one copy is kept. If a language requires unique types for each user-specified type, such as Ada, this should be set to TRUE. */ |