Flexible array members are not allowed in unions.
So, warn if one is present.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
symbol.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/symbol.c b/symbol.c
index 6633e89de4a9..e578b1a840a3 100644
--- a/symbol.c
+++ b/symbol.c
@@ -95,6 +95,9 @@ struct struct_union_info {
*/
static void lay_out_union(struct symbol *sym, struct struct_union_info *info)
{
+ if (sym->bit_size < 0 && is_array_type(sym))
+ sparse_error(sym->pos, "flexible array member '%s' in a union", show_ident(sym->ident));
+
if (sym->bit_size > info->bit_size)
info->bit_size = sym->bit_size;
--
2.28.0
