test.patch

diff --git a/src/test/ui/used/auxiliary/issue-47834-linkme-aux.rs b/src/test/ui/used/auxiliary/issue-47834-linkme-aux.rs
new file mode 100644
index 00000000000..275e384da64
--- /dev/null
+++ b/src/test/ui/used/auxiliary/issue-47834-linkme-aux.rs
@@ -0,0 +1,58 @@
+mod sub {
+    #[cfg(target_os = "windows")]
+    #[link_section = ".linkme_XXX$b"]
+    #[used]
+    static YYY: fn() = real_fn;
+
+    #[cfg(any(
+        target_os = "none",
+        target_os = "linux",
+        target_os = "macos",
+        target_os = "ios",
+        target_os = "tvos",
+        target_os = "illumos",
+        target_os = "freebsd",
+    ))]
+    #[link_section = "linkme_XXX"]
+    #[used]
+    static YYY: fn() = real_fn;
+    fn real_fn() {}
+}
+
+pub fn byte_offset() -> usize {
+    #[cfg(any(
+        target_os = "none",
+        target_os = "linux",
+        target_os = "macos",
+        target_os = "ios",
+        target_os = "tvos",
+        target_os = "illumos",
+        target_os = "freebsd",
+    ))]
+    extern "C" {
+        #[link_name = "__start_linkme_XXX"]
+        static LINKME_START: fn();
+        #[link_name = "__stop_linkme_XXX"]
+        static LINKME_STOP: fn();
+    }
+    #[cfg(any(
+        target_os = "none",
+        target_os = "linux",
+        target_os = "illumos",
+        target_os = "freebsd"
+    ))]
+    #[link_section = "linkme_XXX"]
+    #[used]
+    static mut LINKME_PLEASE: [fn(); 0] = [];
+
+    #[cfg(target_os = "windows")]
+    #[link_section = ".linkme_XXX$a"]
+    static LINKME_START: () = ();
+    #[cfg(target_os = "windows")]
+    #[link_section = ".linkme_XXX$c"]
+    static LINKME_STOP: () = ();
+
+    unsafe {
+        &LINKME_START as *const _ as usize - &LINKME_STOP as *const _ as usize
+    }
+}
diff --git a/src/test/ui/used/issue-47834-linkme.rs b/src/test/ui/used/issue-47834-linkme.rs
new file mode 100644
index 00000000000..2c38f1ea49a
--- /dev/null
+++ b/src/test/ui/used/issue-47834-linkme.rs
@@ -0,0 +1,9 @@
+// run-pass
+// aux-build:issue-47834-linkme-aux.rs
+
+extern crate issue_47834_linkme_aux as inner;
+
+use inner::byte_offset;
+fn main() {
+    assert!(byte_offset() > 0);
+}