Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/runtime/start_line_amd64_test.go b/src/runtime/start_line_amd64_test.go
new file mode 100644
index 0000000..305ed0b
--- /dev/null
+++ b/src/runtime/start_line_amd64_test.go
@@ -0,0 +1,23 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime_test
+
+import (
+	"runtime/internal/startlinetest"
+	"testing"
+)
+
+// TestStartLineAsm tests the start line metadata of an assembly function. This
+// is only tested on amd64 to avoid the need for a proliferation of per-arch
+// copies of this function.
+func TestStartLineAsm(t *testing.T) {
+	startlinetest.CallerStartLine = callerStartLine
+
+	const wantLine = 23
+	got := startlinetest.AsmFunc()
+	if got != wantLine {
+		t.Errorf("start line got %d want %d", got, wantLine)
+	}
+}