From 068aaef0ea684ecf5f891559aa8e1dae03b8428d Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Mon, 15 Dec 2025 11:16:38 +0100
Subject: c: support forward-declared enums

This is a common non-standard GNU extension.
---
 type.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'type.h')

diff --git a/type.h b/type.h
index 4124dff..decef3c 100644
--- a/type.h
+++ b/type.h
@@ -136,7 +136,7 @@ union type cvtarith(union type a, union type b);
 static inline union type
 typechild(union type t)
 {
-   if (t.t == TYENUM) return mktype(t.backing);
+   if (t.t == TYENUM) return mktype(t.backing ? t.backing : typedata[t.dat].backing);
    if (t.flag & TFCHLDPRIM) return mktype(t.child);
    if (t.flag & TFCHLDISDAT) {
       union type chld = mktype(typedata[t.dat].t, .dat = t.dat);
@@ -148,7 +148,7 @@ typechild(union type t)
 static inline enum typetag
 scalartypet(union type t)
 {
-   if (t.t == TYENUM) return t.backing;
+   if (t.t == TYENUM) return t.backing ? t.backing : typedata[t.dat].backing;
    if (isptrcvt(t)) return TYPTR;
    return t.t;
 }
-- 
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