diff options
Diffstat (limited to 'gcc/cp/class.c')
| -rw-r--r-- | gcc/cp/class.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/cp/class.c b/gcc/cp/class.c index f13ccac..080e5e9 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -5270,8 +5270,24 @@ finish_struct (tree t, tree attributes) if (processing_template_decl) { + tree x; + finish_struct_methods (t); TYPE_SIZE (t) = bitsize_zero_node; + + /* We need to emit an error message if this type was used as a parameter + and it is an abstract type, even if it is a template. We construct + a simple CLASSTYPE_PURE_VIRTUALS list without taking bases into + account and we call complete_vars with this type, which will check + the PARM_DECLS. Note that while the type is being defined, + CLASSTYPE_PURE_VIRTUALS contains the list of the inline friends + (see CLASSTYPE_INLINE_FRIENDS) so we need to clear it. */ + CLASSTYPE_PURE_VIRTUALS (t) = NULL_TREE; + for (x = TYPE_METHODS (t); x; x = TREE_CHAIN (x)) + if (DECL_PURE_VIRTUAL_P (x)) + CLASSTYPE_PURE_VIRTUALS (t) + = tree_cons (NULL_TREE, x, CLASSTYPE_PURE_VIRTUALS (t)); + complete_vars (t); } else finish_struct_1 (t); |