From 145574fa2d2bb88ec00f35ca296124730b1a9e9b Mon Sep 17 00:00:00 2001
From: Stella Laurenzo <stellaraccident@gmail.com>
Date: Thu, 7 Apr 2022 18:10:31 -0700
Subject: [PATCH] NFC: Eliminate warning for unused type alias FnTraitsT in
 release builds.

Differential Revision: https://reviews.llvm.org/D123351
---
 mlir/include/mlir/IR/PatternMatch.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mlir/include/mlir/IR/PatternMatch.h b/mlir/include/mlir/IR/PatternMatch.h
index 478fa2a..aa67709 100644
--- a/mlir/include/mlir/IR/PatternMatch.h
+++ b/mlir/include/mlir/IR/PatternMatch.h
@@ -1089,10 +1089,9 @@ LogicalResult verifyAsArgs(PatternRewriter &rewriter, ArrayRef<PDLValue> values,
 template <typename PDLFnT, std::size_t... I>
 void assertArgs(PatternRewriter &rewriter, ArrayRef<PDLValue> values,
                 std::index_sequence<I...>) {
-  using FnTraitsT = llvm::function_traits<PDLFnT>;
-
   // We only want to do verification in debug builds, same as with `assert`.
 #if LLVM_ENABLE_ABI_BREAKING_CHECKS
+  using FnTraitsT = llvm::function_traits<PDLFnT>;
   auto errorFn = [&](const Twine &msg) -> LogicalResult {
     llvm::report_fatal_error(msg);
   };
-- 
2.7.4