From 645a7bc190a7664bb5be2e353b57e85ba6dec07d Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Tue, 2 Jul 2024 16:47:19 +0200
Subject: [PATCH] VEX/priv/host_arm_isel.c (doHelperCall): Fix nextArgReg guard

We need two args, so change the guard to nextArgReg + 1 >= ARM_N_ARGREGS.
---
 VEX/priv/host_arm_isel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/VEX/priv/host_arm_isel.c b/VEX/priv/host_arm_isel.c
index 8b32648438..d19efe5c3e 100644
--- a/VEX/priv/host_arm_isel.c
+++ b/VEX/priv/host_arm_isel.c
@@ -683,7 +683,7 @@ Bool doHelperCall ( /*OUT*/UInt*   stackAdjustAfterCall,
                addInstr(env, ARMInstr_Imm32( argregs[nextArgReg], 0xAA ));
                nextArgReg++;
             }
-            if (nextArgReg >= ARM_N_ARGREGS)
+            if (nextArgReg + 1 >= ARM_N_ARGREGS)
                return False; /* out of argregs */
             HReg raHi, raLo;
             iselInt64Expr(&raHi, &raLo, env, arg);
-- 
2.47.2