From 7c1942cb8fa61e375e9da873717c833c2e5aa3ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ingo=20M=C3=BCller?= <ingomueller@google.com>
Date: Tue, 9 Jul 2024 13:15:51 +0000
Subject: [PATCH] XXX: Use interface argument for typeswitch. This should break
 on the current version of LLVM/MLIR.
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Signed-off-by: Ingo Müller <ingomueller@google.com>
---
 lib/Target/SubstraitPB/Export.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Target/SubstraitPB/Export.cpp b/lib/Target/SubstraitPB/Export.cpp
index fd398bd1dd78..e5800de7e6aa 100644
--- a/lib/Target/SubstraitPB/Export.cpp
+++ b/lib/Target/SubstraitPB/Export.cpp
@@ -181,8 +181,8 @@ FailureOr<std::unique_ptr<Rel>> exportOperation(EmitOp op) {
 
 FailureOr<std::unique_ptr<Expression>>
 exportOperation(ExpressionOpInterface op) {
-  return llvm::TypeSwitch<Operation *, FailureOr<std::unique_ptr<Expression>>>(
-             op)
+  return llvm::TypeSwitch<ExpressionOpInterface,
+                          FailureOr<std::unique_ptr<Expression>>>(op)
       .Case<FieldReferenceOp, LiteralOp>([&](auto op) {
         llvm::errs() << __PRETTY_FUNCTION__ << "\n";
         op.dump();