diff options
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 19 |
1 files changed, 11 insertions, 8 deletions
@@ -2795,8 +2795,8 @@ process_call_operands (tree t) TREE_READONLY (t) = read_only; } -/* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size - or offset that depends on a field within a record. */ +/* Return true if EXP contains a PLACEHOLDER_EXPR, i.e. if it represents a + size or offset that depends on a field within a record. */ bool contains_placeholder_p (const_tree exp) @@ -2882,9 +2882,9 @@ contains_placeholder_p (const_tree exp) return 0; } -/* Return true if any part of the computation of TYPE involves a - PLACEHOLDER_EXPR. This includes size, bounds, qualifiers - (for QUAL_UNION_TYPE) and field positions. */ +/* Return true if any part of the structure of TYPE involves a PLACEHOLDER_EXPR + directly. This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and + field positions. */ static bool type_contains_placeholder_1 (const_tree type) @@ -2893,7 +2893,8 @@ type_contains_placeholder_1 (const_tree type) the case of arrays) type involves a placeholder, this type does. */ if (CONTAINS_PLACEHOLDER_P (TYPE_SIZE (type)) || CONTAINS_PLACEHOLDER_P (TYPE_SIZE_UNIT (type)) - || (TREE_TYPE (type) != 0 + || (!POINTER_TYPE_P (type) + && TREE_TYPE (type) && type_contains_placeholder_p (TREE_TYPE (type)))) return true; @@ -2921,8 +2922,8 @@ type_contains_placeholder_1 (const_tree type) || CONTAINS_PLACEHOLDER_P (TYPE_MAX_VALUE (type))); case ARRAY_TYPE: - /* We're already checked the component type (TREE_TYPE), so just check - the index type. */ + /* We have already checked the component type above, so just check the + domain type. */ return type_contains_placeholder_p (TYPE_DOMAIN (type)); case RECORD_TYPE: @@ -2947,6 +2948,8 @@ type_contains_placeholder_1 (const_tree type) } } +/* Wrapper around above function used to cache its result. */ + bool type_contains_placeholder_p (tree type) { |