From 5e88a89ad7216608265b31458468a92c57fa0351 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sun, 23 Nov 2025 15:32:53 +0100
Subject: c: fix runtime implicit-length array  initializer

---
 c/c.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'c/c.c')

diff --git a/c/c.c b/c/c.c
index 2b2688d..a6c61fc 100644
--- a/c/c.c
+++ b/c/c.c
@@ -1717,9 +1717,10 @@ initializer(struct comp *cm, union type *ty, enum evalmode ev, bool globl,
    } else {
       uint siz;
       if (isincomplete(*ty)) {
-         if (!ip->arrlen)
+         uint len = ip->arrlen > ip->cur->idx ? ip->arrlen : ip->cur->idx;
+         if (!len)
             error(&span, "initializer creates a zero-sized array");
-         *ty = mkarrtype(typechild(*ty), ty->flag & TFCHLDQUAL, ip->arrlen > 0 ? ip->arrlen : 1);
+         *ty = mkarrtype(typechild(*ty), ty->flag & TFCHLDQUAL, len);
       }
 
       assert(arraylength(res.zero) == 1);
-- 
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