From 0fb2b5712cc98ea993f37bd86eeed89fddc5d6d9 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Fri, 10 Oct 2025 22:34:17 +0200
Subject: bugfixes

---
 amd64/isel.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'amd64/isel.c')

diff --git a/amd64/isel.c b/amd64/isel.c
index fefd8ea..44f0ff4 100644
--- a/amd64/isel.c
+++ b/amd64/isel.c
@@ -271,6 +271,7 @@ sel(struct function *fn, struct instr *ins, struct block *blk, int *curi)
    case Onop: break;
    case Oalloca1: case Oalloca2: case Oalloca4: case Oalloca8: case Oalloca16:
       alignlog2 = ins->op - Oalloca1;
+      assert(ins->l.i > 0);
       siz = ins->l.i << alignlog2;
       fn->stksiz += siz;
       fn->stksiz = alignup(fn->stksiz, 1 << alignlog2);
-- 
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