diff options
Diffstat (limited to 'gcc/cp/tree.cc')
| -rw-r--r-- | gcc/cp/tree.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/cp/tree.cc b/gcc/cp/tree.cc index 03b58ff..c6ce7e9 100644 --- a/gcc/cp/tree.cc +++ b/gcc/cp/tree.cc @@ -5591,6 +5591,23 @@ handle_maybe_unused_attribute (tree *node, tree name, tree args, int flags, return ret; } +/* The C++26 [[indeterminate]] attribute. */ + +static tree +handle_indeterminate_attribute (tree *node, tree name, tree, int, + bool *no_add_attrs) +{ + if (TREE_CODE (*node) != PARM_DECL + && (!VAR_P (*node) || is_global_var (*node))) + { + pedwarn (input_location, OPT_Wattributes, + "%qE on declaration other than parameter or automatic variable", + name); + *no_add_attrs = true; + } + return NULL_TREE; +} + /* Table of valid C++ attributes. */ static const attribute_spec cxx_gnu_attributes[] = { @@ -5630,6 +5647,8 @@ static const attribute_spec std_attributes[] = handle_noreturn_attribute, attr_noreturn_exclusions }, { "carries_dependency", 0, 0, true, false, false, false, handle_carries_dependency_attribute, NULL }, + { "indeterminate", 0, 0, true, false, false, false, + handle_indeterminate_attribute, NULL }, { "pre", 0, -1, false, false, false, false, handle_contract_attribute, NULL }, { "post", 0, -1, false, false, false, false, |