From 564147f518af5a5d8985d9e09fc3a768231f4e75 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 1 Dec 2022 12:03:09 +0100
Subject: [PATCH] ARM64: Fix code generation for IR_SLOAD with typecheck +
 conversion.

Reported by memcorrupt.
---
 src/lj_asm_arm64.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lj_asm_arm64.h b/src/lj_asm_arm64.h
index 4b7066f2..4e34b3be 100644
--- a/src/lj_asm_arm64.h
+++ b/src/lj_asm_arm64.h
@@ -1201,7 +1201,7 @@ dotypecheck:
       tmp = ra_scratch(as, allow);
       rset_clear(allow, tmp);
     }
-    if (ra_hasreg(dest) && irt_isnum(t) && !(ir->op2 & IRSLOAD_CONVERT))
+    if (ra_hasreg(dest) && tmp != dest)
       emit_dn(as, A64I_FMOV_D_R, (dest & 31), tmp);
     /* Need type check, even if the load result is unused. */
     asm_guardcc(as, irt_isnum(t) ? CC_LS : CC_NE);