From b2dc1102c3ae0976e9435f80df660b821742a2c8 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Thu, 1 Jul 2021 01:33:25 -0700
Subject: decl: Check that struct/union has at least one member

---
 decl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/decl.c b/decl.c
index ea62f56..d9e2a85 100644
--- a/decl.c
+++ b/decl.c
@@ -206,6 +206,8 @@ tagspec(struct scope *s)
 		b.bits = 0;
 		do structdecl(s, &b);
 		while (tok.kind != TRBRACE);
+		if (!t->structunion.members)
+			error(&tok.loc, "struct/union has no members");
 		next();
 		t->size = ALIGNUP(t->size, t->align);
 		t->incomplete = false;
-- 
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