Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 18 insertions, 0 deletions

diff --git a/src/runtime/tracebackx_test.go b/src/runtime/tracebackx_test.go
new file mode 100644
index 0000000..b318fa3
--- /dev/null
+++ b/src/runtime/tracebackx_test.go
@@ -0,0 +1,18 @@
+// Copyright 2023 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
+
+func XTestSPWrite(t TestingT) {
+	// Test that we can traceback from the stack check prologue of a function
+	// that writes to SP. See #62326.
+
+	// Start a goroutine to minimize the initial stack and ensure we grow the stack.
+	done := make(chan bool)
+	go func() {
+		testSPWrite() // Defined in assembly
+		done <- true
+	}()
+	<-done
+}