From e4c32681b9349c8c4e7a69668d53903f295bc429 Mon Sep 17 00:00:00 2001
From: lax1dude <cgiacun@gmail.com>
Date: Sat, 30 Nov 2024 09:53:59 -0800
Subject: [PATCH] wasm gc: fix wrong argument order in System.arraycopy
 implementation (#975)

---
 .../wasm/generate/gc/classes/WasmGCClassGenerator.java        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/org/teavm/backend/wasm/generate/gc/classes/WasmGCClassGenerator.java b/core/src/main/java/org/teavm/backend/wasm/generate/gc/classes/WasmGCClassGenerator.java
index edb6fd287..21389b9f7 100644
--- a/core/src/main/java/org/teavm/backend/wasm/generate/gc/classes/WasmGCClassGenerator.java
+++ b/core/src/main/java/org/teavm/backend/wasm/generate/gc/classes/WasmGCClassGenerator.java
@@ -876,8 +876,8 @@ public class WasmGCClassGenerator implements WasmGCClassInfoProvider, WasmGCInit
         var targetArrayData = new WasmStructGet(arrayStruct, targetArray, ARRAY_DATA_FIELD_OFFSET);
 
         function.getBody().add(new WasmArrayCopy(
-                arrayDataType, targetArrayData, new WasmGetLocal(sourceIndexLocal),
-                arrayDataType, sourceArrayData, new WasmGetLocal(targetIndexLocal),
+                arrayDataType, targetArrayData, new WasmGetLocal(targetIndexLocal),
+                arrayDataType, sourceArrayData, new WasmGetLocal(sourceIndexLocal),
                 new WasmGetLocal(countLocal)));
         return function;
     }