From f963d53415c7a0cf91809a806ea83a30eabd2ec1 Mon Sep 17 00:00:00 2001
From: HongHongHongL <honglinzhu@tencent.com>
Date: Thu, 21 Nov 2024 19:11:06 +0800
Subject: [PATCH] fix segment fault when get undef layout

---
 src/relax/transform/convert_layout.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/relax/transform/convert_layout.cc b/src/relax/transform/convert_layout.cc
index 2048f0ddedf5..3798bdff351d 100644
--- a/src/relax/transform/convert_layout.cc
+++ b/src/relax/transform/convert_layout.cc
@@ -90,7 +90,7 @@ class LayoutConvertMutator : public ExprMutator {
   Expr RewriteExpr(const Expr& expr, const NLayout& to) {
     auto fvisitleaf = [&](const Expr& expr, std::array<NLayout, 2> layouts) -> Expr {
       NLayout from = layouts[0], to = layouts[1];
-      if (NLayoutEqual()(from, to) || layouts[0].LeafValue()->layout->name == "") return expr;
+      if (NLayoutEqual()(from, to) || layouts[0].LeafValue()->layout.name() == "") return expr;
       // If not both from and to are unknown, then none of them can be unknown.
       ICHECK(!NLayoutEqual()(from, LayoutDecision::InitUnknownDim()) &&
              !NLayoutEqual()(to, LayoutDecision::InitUnknownDim()))