From 00d97d5d5c83903464efec74388d9f107b9a57c4 Mon Sep 17 00:00:00 2001
From: krlosMata <krlosmata@gmail.com>
Date: Wed, 25 Jan 2023 16:35:22 +0100
Subject: [PATCH] remove duplicate stack overflow

---
 main/opcodes/stack-operations.zkasm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main/opcodes/stack-operations.zkasm b/main/opcodes/stack-operations.zkasm
index 9741b1d3..c0006c00 100644
--- a/main/opcodes/stack-operations.zkasm
+++ b/main/opcodes/stack-operations.zkasm
@@ -233,10 +233,10 @@ opDUP1:
     GAS - %GAS_FASTEST_STEP => GAS  :JMPN(outOfGas)
 
     $ => A          :MLOAD(SP-1); [value => A]
-    ; check stack overflow
-    %CALLDATA_OFFSET - SP       :JMPN(stackOverflow)
+
     ; store duplicated value
     A               :MSTORE(SP++); [duplicated_value(A) => SP]
+
     ; check stack overflow
     %CALLDATA_OFFSET - SP       :JMPN(stackOverflow, readCode)