1 files changed, 11 insertions, 0 deletions
diff --git a/test/codegen/stack.go b/test/codegen/stack.go
index ed2c1ed959..ca37622286 100644
--- a/test/codegen/stack.go
+++ b/test/codegen/stack.go
@@ -98,3 +98,14 @@ func check_asmout(a, b int) int {
 	// arm:`.*b\+4\(FP\)`
 	return b
 }
+
+// Check that simple functions get promoted to nosplit, even when
+// they might panic in various ways. See issue 31219.
+// amd64:"TEXT\t.*NOSPLIT.*"
+func MightPanic(a []int, i, j, k, s int) {
+	_ = a[i]     // panicIndex
+	_ = a[i:j]   // panicSlice
+	_ = a[i:j:k] // also panicSlice
+	_ = i << s   // panicShift
+	_ = i / j    // panicDivide
+}