From c955add18c88427eaf09ec2086e3f8a9ccd30021 Mon Sep 17 00:00:00 2001
From: Tomasz Miąsko <tomasz.miasko@gmail.com>
Date: Fri, 2 Dec 2022 00:00:00 +0000
Subject: Disable coverage instrumentation for naked functions

---
 src/test/codegen/naked-nocoverage.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/test/codegen/naked-nocoverage.rs

(limited to 'src/test/codegen')

diff --git a/src/test/codegen/naked-nocoverage.rs b/src/test/codegen/naked-nocoverage.rs
new file mode 100644
index 00000000000..91a6260bf2a
--- /dev/null
+++ b/src/test/codegen/naked-nocoverage.rs
@@ -0,0 +1,19 @@
+// Checks that naked functions are not instrumented by -Cinstrument-coverage.
+// Regression test for issue #105170.
+//
+// needs-asm-support
+// needs-profiler-support
+// compile-flags: -Cinstrument-coverage
+#![crate_type = "lib"]
+#![feature(naked_functions)]
+use std::arch::asm;
+
+#[naked]
+#[no_mangle]
+pub unsafe extern "C" fn f() {
+    // CHECK:       define void @f()
+    // CHECK-NEXT:  start:
+    // CHECK-NEXT:    call void asm
+    // CHECK-NEXT:    unreachable
+    asm!("", options(noreturn));
+}
-- 
cgit 1.4.1-3-g733a5