diff options
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 27707ab..07c1614 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -7950,7 +7950,7 @@ extern bool require_potential_rvalue_constant_expression (tree); extern tree cxx_constant_value (tree, tree = NULL_TREE); extern void cxx_constant_dtor (tree, tree); extern tree cxx_constant_init (tree, tree = NULL_TREE); -extern tree maybe_constant_value (tree, tree = NULL_TREE, bool = false, bool = false); +extern tree maybe_constant_value (tree, tree = NULL_TREE, bool = false); extern tree maybe_constant_init (tree, tree = NULL_TREE, bool = false); extern tree fold_non_dependent_expr (tree, tsubst_flags_t = tf_warning_or_error, @@ -7969,6 +7969,27 @@ extern tree fold_sizeof_expr (tree); extern void clear_cv_and_fold_caches (bool = true); extern tree unshare_constructor (tree CXX_MEM_STAT_INFO); +/* An RAII sentinel used to restrict constexpr evaluation so that it + doesn't do anything that causes extra DECL_UID generation. */ + +struct uid_sensitive_constexpr_evaluation_sentinel +{ + temp_override<bool> ovr; + uid_sensitive_constexpr_evaluation_sentinel (); +}; + +/* Used to determine whether uid_sensitive_constexpr_evaluation_p was + called and returned true, indicating that we've restricted constexpr + evaluation in order to avoid UID generation. We use this to control + updates to the fold_cache and cv_cache. */ + +struct uid_sensitive_constexpr_evaluation_checker +{ + const unsigned saved_counter; + uid_sensitive_constexpr_evaluation_checker (); + bool evaluation_restricted_p () const; +}; + /* In cp-ubsan.c */ extern void cp_ubsan_maybe_instrument_member_call (tree); extern void cp_ubsan_instrument_member_accesses (tree *); |