1 files changed, 28 insertions, 0 deletions

diff --git a/tests/codegen/issues/issue-44056-macos-tls-align.rs b/tests/codegen/issues/issue-44056-macos-tls-align.rs
new file mode 100644
index 000000000..1a3923f1b
--- /dev/null
+++ b/tests/codegen/issues/issue-44056-macos-tls-align.rs
@@ -0,0 +1,28 @@
+//
+// only-macos
+// no-system-llvm
+// compile-flags: -O
+
+#![crate_type = "rlib"]
+#![feature(thread_local)]
+
+// local_unnamed_addr does not appear when std is built with debug assertions.
+// CHECK: @STATIC_VAR_1 = thread_local {{(local_unnamed_addr )?}}global <{ [32 x i8] }> zeroinitializer, section "__DATA,__thread_bss", align 4
+#[no_mangle]
+#[thread_local]
+static mut STATIC_VAR_1: [u32; 8] = [0; 8];
+
+// CHECK: @STATIC_VAR_2 = thread_local {{(local_unnamed_addr )?}}global <{ [32 x i8] }> <{{[^>]*}}>, section "__DATA,__thread_data", align 4
+#[no_mangle]
+#[thread_local]
+static mut STATIC_VAR_2: [u32; 8] = [4; 8];
+
+#[no_mangle]
+pub unsafe fn f(x: &mut [u32; 8]) {
+    std::mem::swap(x, &mut STATIC_VAR_1)
+}
+
+#[no_mangle]
+pub unsafe fn g(x: &mut [u32; 8]) {
+    std::mem::swap(x, &mut STATIC_VAR_2)
+}