diff options
Diffstat (limited to 'gcc/cp/cp-lang.c')
| -rw-r--r-- | gcc/cp/cp-lang.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/cp/cp-lang.c b/gcc/cp/cp-lang.c index 719f55840c0..ca9f88fb8cb 100644 --- a/gcc/cp/cp-lang.c +++ b/gcc/cp/cp-lang.c @@ -26,6 +26,8 @@ Boston, MA 02111-1307, USA. */ #include "toplev.h" #include "langhooks.h" +static HOST_WIDE_INT cxx_get_alias_set PARAMS ((tree)); + #undef LANG_HOOKS_INIT #define LANG_HOOKS_INIT cxx_init #undef LANG_HOOKS_FINISH @@ -36,6 +38,8 @@ Boston, MA 02111-1307, USA. */ #define LANG_HOOKS_DECODE_OPTION cxx_decode_option #undef LANG_HOOKS_POST_OPTIONS #define LANG_HOOKS_POST_OPTIONS cxx_post_options +#undef LANG_HOOKS_GET_ALIAS_SET +#define LANG_HOOKS_GET_ALIAS_SET cxx_get_alias_set #undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES #define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \ @@ -60,3 +64,17 @@ Boston, MA 02111-1307, USA. */ /* Each front end provides its own hooks, for toplev.c. */ struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; + +/* Special routine to get the alias set for C++. */ + +static HOST_WIDE_INT +cxx_get_alias_set (t) + tree t; +{ + /* It's not yet safe to use alias sets for classes in C++ because + the TYPE_FIELDs list for a class doesn't mention base classes. */ + if (AGGREGATE_TYPE_P (t)) + return 0; + + return c_common_get_alias_set (t); +} |