diff options
Diffstat (limited to 'gcc/c/c-decl.c')
| -rw-r--r-- | gcc/c/c-decl.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index 4fd3239..8eeee9c 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -6515,6 +6515,19 @@ grokdeclarator (const struct c_declarator *declarator, error_at (loc, "unnamed field has incomplete type"); type = error_mark_node; } + else if (TREE_CODE (type) == ARRAY_TYPE + && TYPE_DOMAIN (type) == NULL_TREE) + { + /* We have a flexible array member through a typedef. + Set suitable range. Whether this is a correct position + for a flexible array member will be determined elsewhere. */ + if (!in_system_header_at (input_location)) + pedwarn_c90 (loc, OPT_Wpedantic, "ISO C90 does not " + "support flexible array members"); + type = build_distinct_type_copy (TYPE_MAIN_VARIANT (type)); + TYPE_DOMAIN (type) = build_range_type (sizetype, size_zero_node, + NULL_TREE); + } type = c_build_qualified_type (type, type_quals); decl = build_decl (declarator->id_loc, FIELD_DECL, declarator->u.id, type); |