From b8ae5b14c7bbe28161ea83f4c10045f8af5b766a Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Mon, 15 Sep 2025 17:11:05 +0200
Subject: mem2reg: fix deltrivialphis bug

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

(limited to 'regalloc.c')

diff --git a/regalloc.c b/regalloc.c
index 2a878d0..1018e7c 100644
--- a/regalloc.c
+++ b/regalloc.c
@@ -33,6 +33,7 @@ readvar(struct bitset *defined, enum irclass cls, int var, struct block *blk)
    union ref val;
 
    if (bstest(defined, var)) return mkref(RTMP, var);
+   assert(cls && "?");
 
    /* memoed definition */
    if (xbcap(curdefs) > blk->id && xbcap(curdefs[blk->id]) > var && curdefs[blk->id][var])
-- 
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