From 9239d141dc4e9435b036d34cf8b2cb1e37b9f454 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Fri, 5 Sep 2025 14:46:46 +0000
Subject: Add test that __rg_oom doesn't get internalized during LTO
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Co-Authored-By: Rémy Rakic <remy.rakic+github@gmail.com>
---
 tests/ui/lto/lto-global-allocator.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tests/ui/lto/lto-global-allocator.rs

diff --git a/tests/ui/lto/lto-global-allocator.rs b/tests/ui/lto/lto-global-allocator.rs
new file mode 100644
index 00000000000..03f11709c90
--- /dev/null
+++ b/tests/ui/lto/lto-global-allocator.rs
@@ -0,0 +1,19 @@
+//@ compile-flags: --crate-type cdylib -C lto
+//@ build-pass
+//@ no-prefer-dynamic
+//@ needs-crate-type: cdylib
+
+use std::alloc::{GlobalAlloc, Layout};
+
+struct MyAllocator;
+
+unsafe impl GlobalAlloc for MyAllocator {
+    unsafe fn alloc(&self, _layout: Layout) -> *mut u8 {
+        todo!()
+    }
+
+    unsafe fn dealloc(&self, _ptr: *mut u8, _layout: Layout) {}
+}
+
+#[global_allocator]
+static GLOBAL: MyAllocator = MyAllocator;
-- 
cgit 1.4.1-3-g733a5