[llvm] [flang][cuda] Fix descriptor sync in data transfer (PR #129333)

[Valentin Clement バレンタイン クレメン via llvm-commits]

https://github.com/clementval created https://github.com/llvm/llvm-project/pull/129333

The destination descriptor on the device needs to be sync with the destination descriptor on the host, not the src one. 

>From e427df46c7d1289425416dc7186d6c74948bb8b1 Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval at gmail.com>
Date: Fri, 28 Feb 2025 14:45:23 -0800
Subject: [PATCH] [flang][cuda] Fix descriptor sync in data transfer

---
 flang-rt/lib/cuda/memory.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flang-rt/lib/cuda/memory.cpp b/flang-rt/lib/cuda/memory.cpp
index 7ead0dd35e1d9..1ebe5059b9411 100644
--- a/flang-rt/lib/cuda/memory.cpp
+++ b/flang-rt/lib/cuda/memory.cpp
@@ -147,7 +147,7 @@ void RTDECL(CUFDataTransferGlobalDescDesc)(Descriptor *dstDesc,
     void *deviceAddr{
         RTNAME(CUFGetDeviceAddress)((void *)dstDesc, sourceFile, sourceLine)};
     RTNAME(CUFDescriptorSync)
-    ((Descriptor *)deviceAddr, srcDesc, sourceFile, sourceLine);
+    ((Descriptor *)deviceAddr, dstDesc, sourceFile, sourceLine);
   }
 }
 }