1 files changed, 36 insertions, 0 deletions
diff --git a/test/fixedbugs/issue51101.go b/test/fixedbugs/issue51101.go
new file mode 100644
index 00000000000..a390e50da40
--- /dev/null
+++ b/test/fixedbugs/issue51101.go
@@ -0,0 +1,36 @@
+// run
+
+// 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.
+
+// Issue 51101: on RISCV64, difference of two pointers
+// was marked as pointer and crashes GC.
+
+package main
+
+var a, b int
+
+func main() {
+	F(&b, &a)
+}
+
+//go:noinline
+func F(a, b *int) bool {
+	x := a == b
+	G(x)
+	y := a != b
+	return y
+}
+
+//go:noinline
+func G(bool) {
+	grow([1000]int{20})
+}
+
+func grow(x [1000]int) {
+	if x[0] != 0 {
+		x[0]--
+		grow(x)
+	}
+}