[clang] [Sema] Add original GH192264 reproducer as a section-conflict regression test (PR #202276)

[via cfe-commits]

https://github.com/lijinpei-amd created https://github.com/llvm/llvm-project/pull/202276

Follow up of https://github.com/llvm/llvm-project/pull/200873

>From 9c85d94ef3e243709c4720fc31b0d03186163263 Mon Sep 17 00:00:00 2001
From: Li Jinpei <jinpli at amd.com>
Date: Mon, 8 Jun 2026 14:46:14 +0800
Subject: [PATCH] [Sema] Add original GH192264 reproducer as a section-conflict
 regression test

---
 clang/test/SemaCXX/attr-section.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/clang/test/SemaCXX/attr-section.cpp b/clang/test/SemaCXX/attr-section.cpp
index 95d4fc53ebe6c..f8ac9131f06ff 100644
--- a/clang/test/SemaCXX/attr-section.cpp
+++ b/clang/test/SemaCXX/attr-section.cpp
@@ -84,3 +84,11 @@ auto lambda = [](int val) __attribute__((section("lambda_op_pragma"))) { return
 #pragma clang section bss="lambda_op_pragma" // expected-error {{this causes a section type conflict with 'operator()'}}
 #pragma clang section bss=""
 } // namespace lambda_call_operator_pragma
+
+// original: https://github.com/llvm/llvm-project/issues/192264
+namespace GH192264_original {
+struct S {};
+using F = decltype([](auto val) // expected-note {{declared here}}
+__attribute__((section("gh192264"))) const S s{}; // expected-error {{expected body of lambda expression}}
+__attribute__((section("gh192264"))) int i{}; // expected-error {{'i' causes a section type conflict with 'operator()'}}
+} // namespace GH192264_original