From 73340cf5c0db53af2ac3b246b8ff6a531d326006 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sat, 21 Feb 2026 18:36:06 +0100
Subject: c: fix default argument promotion for function types

---
 c/c.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'c/c.c')

diff --git a/c/c.c b/c/c.c
index a7f48a4..a5ac0b6 100644
--- a/c/c.c
+++ b/c/c.c
@@ -399,6 +399,7 @@ argpromote(union type t)
    if (isint(t)) t.t = intpromote(t.t);
    else if (t.t == TYFLOAT) t.t = TYDOUBLE;
    else if (t.t == TYARRAY) return mkptrtype(typechild(t), t.flag & TFCHLDQUAL);
+   else if (t.t == TYFUNC) return mkptrtype(t, 0);
    return t;
 }
 
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