From: Brian Sullivan <briansul@microsoft.com>
Date: Fri, 7 Aug 2020 18:08:34 +0000 (-0700)
Subject: Fix Issue #877 - Use GT_OBJ when copying a struct (#40483)
X-Git-Tag: submit/tizen/20210909.063632~6146
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5ebf5867c29f3d053b74561e119853b33dfeea9a;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

Fix Issue #877 - Use GT_OBJ when copying a struct (#40483)
---

diff --git a/src/coreclr/src/jit/morph.cpp b/src/coreclr/src/jit/morph.cpp
index 61ad993..8134272 100644
--- a/src/coreclr/src/jit/morph.cpp
+++ b/src/coreclr/src/jit/morph.cpp
@@ -5742,7 +5742,9 @@ GenTree* Compiler::fgMorphStackArgForVarArgs(unsigned lclNum, var_types varType,
         GenTree* tree;
         if (varTypeIsStruct(varType))
         {
-            tree = new (this, GT_BLK) GenTreeBlk(GT_BLK, TYP_STRUCT, ptrArg, typGetBlkLayout(varDsc->lvExactSize));
+            CORINFO_CLASS_HANDLE typeHnd = varDsc->lvVerTypeInfo.GetClassHandle();
+            assert(typeHnd != nullptr);
+            tree = gtNewObjNode(typeHnd, ptrArg);
         }
         else
         {