[flang-commits] [flang] [flang] Add release note for compiler-rt dependency on AArch64 (PR #145547)

[David Truby via flang-commits]

https://github.com/DavidTruby created https://github.com/llvm/llvm-project/pull/145547

None

>From 6fc60a4fdceaf1aae44a881c834ded3481d6bf1a Mon Sep 17 00:00:00 2001
From: David Truby <david.truby at arm.com>
Date: Tue, 24 Jun 2025 17:28:59 +0100
Subject: [PATCH] [flang] Add release note for compiler-rt dependency on
 AArch64

---
 flang/docs/ReleaseNotes.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/flang/docs/ReleaseNotes.md b/flang/docs/ReleaseNotes.md
index 36be369595ffd..35da8323e0a10 100644
--- a/flang/docs/ReleaseNotes.md
+++ b/flang/docs/ReleaseNotes.md
@@ -54,6 +54,11 @@ page](https://llvm.org/releases/).
    now be emitted into Clang's per-target resource directory
    (next to libclang_rt.*.*) where it is also found by Flang's driver.
 
+  * Flang on AArch64 now always depends on compiler-rt to provide the
+    `__trampoline_setup` function. This dependency will be automatically added
+    in in-tree builds with the AArch64 target, but compiler-rt will need to be
+    manually added to LLVM builds when building flang out-of-tree.
+
 ## New Issues Found