From 268397ff8a226f2b46290ceb849f7cebbbce9817 Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Tue, 14 Apr 2026 18:48:11 +0200
Subject: backend: allow zero-size stack allocations

Hm.
---
 src/ir_stack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ir_stack.c b/src/ir_stack.c
index e77e114..011337f 100644
--- a/src/ir_stack.c
+++ b/src/ir_stack.c
@@ -13,7 +13,7 @@ lowerstack(Function *fn)
          Instr *ins = &instrtab[t];
          if (oisalloca(ins->op)) {
             uint alignlog2 = ins->op - Oalloca1;
-            assert(ins->l.i > 0);
+            assert(ins->l.i >= 0);
             uint siz = ins->l.i << alignlog2;
             fn->stksiz += siz;
             fn->stksiz = alignup(fn->stksiz, 1 << alignlog2);
-- 
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