diff options
Diffstat (limited to 'contrib/gcc/cp/cp-lang.c')
| -rw-r--r-- | contrib/gcc/cp/cp-lang.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/contrib/gcc/cp/cp-lang.c b/contrib/gcc/cp/cp-lang.c index b573cce317b12..1464ef6af19a8 100644 --- a/contrib/gcc/cp/cp-lang.c +++ b/contrib/gcc/cp/cp-lang.c @@ -30,6 +30,7 @@ Boston, MA 02111-1307, USA. */ static HOST_WIDE_INT cxx_get_alias_set PARAMS ((tree)); static tree cp_expr_size PARAMS ((tree)); +static bool cp_var_mod_type_p PARAMS ((tree)); #undef LANG_HOOKS_NAME #define LANG_HOOKS_NAME "GNU C++" @@ -84,6 +85,8 @@ static tree cp_expr_size PARAMS ((tree)); cp_copy_res_decl_for_inlining #undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P #define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P anon_aggr_type_p +#undef LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P +#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P cp_var_mod_type_p #undef LANG_HOOKS_TREE_INLINING_START_INLINING #define LANG_HOOKS_TREE_INLINING_START_INLINING cp_start_inlining #undef LANG_HOOKS_TREE_INLINING_END_INLINING @@ -130,3 +133,21 @@ cp_expr_size (exp) /* Use the default code. */ return lhd_expr_size (exp); } + +/* Returns true if T is a variably modified type, in the sense of C99. + This routine needs only check cases that cannot be handled by the + language-independent logic in tree-inline.c. */ + +static bool +cp_var_mod_type_p (tree type) +{ + /* If TYPE is a pointer-to-member, it is variably modified if either + the class or the member are variably modified. */ + if (TYPE_PTRMEM_P (type) || TYPE_PTRMEMFUNC_P (type)) + return (variably_modified_type_p (TYPE_PTRMEM_CLASS_TYPE (type)) + || variably_modified_type_p (TYPE_PTRMEM_POINTED_TO_TYPE (type))); + + /* All other types are not variably modified. */ + return false; +} + |