Adjust an assert in EmitArgument (#75067)

Fixes #75035.
dotnet · Sep 13, 2024 · 483c6ad · 483c6ad
1 parent 214d43a
commit 483c6ad
Show file tree

Hide file tree

Showing 2 changed files with 414 additions and 1 deletion.
diff --git a/src/Compilers/CSharp/Portable/CodeGen/EmitExpression.cs b/src/Compilers/CSharp/Portable/CodeGen/EmitExpression.cs
@@ -733,7 +733,8 @@ private void EmitArgument(BoundExpression argument, RefKind refKind)
                     if (unexpectedTemp != null)
                     {
                         // interestingly enough "ref dynamic" sometimes is passed via a clone
-                        Debug.Assert(argument.Type.IsDynamic(), "passing args byref should not clone them into temps");
+                        // receiver of a ref field can be cloned too
+                        Debug.Assert(argument.Type.IsDynamic() || argument is BoundFieldAccess { FieldSymbol.RefKind: not RefKind.None }, "passing args byref should not clone them into temps");
                         AddExpressionTemp(unexpectedTemp);
                     }