libgo: update to final Go 1.18 release

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/393377

2 files changed, 10 insertions, 1 deletions

diff --git a/libgo/go/runtime/mfinal_test.go b/libgo/go/runtime/mfinal_test.go
index 81c924f..2eb60b9 100644
--- a/libgo/go/runtime/mfinal_test.go
+++ b/libgo/go/runtime/mfinal_test.go
@@ -45,6 +45,15 @@ func TestFinalizerType(t *testing.T) {
 		{func(x *int) any { return Tintptr(x) }, func(v *int) { finalize(v) }},
 		{func(x *int) any { return (*Tint)(x) }, func(v *Tint) { finalize((*int)(v)) }},
 		{func(x *int) any { return (*Tint)(x) }, func(v Tinter) { finalize((*int)(v.(*Tint))) }},
+		// Test case for argument spill slot.
+		// If the spill slot was not counted for the frame size, it will (incorrectly) choose
+		// call32 as the result has (exactly) 32 bytes. When the argument actually spills,
+		// it clobbers the caller's frame (likely the return PC).
+		{func(x *int) any { return x }, func(v any) [4]int64 {
+			print() // force spill
+			finalize(v.(*int))
+			return [4]int64{}
+		}},
 	}
 
 	for i, tt := range finalizerTests {
diff --git a/libgo/go/runtime/testdata/testprogcgo/aprof.go b/libgo/go/runtime/testdata/testprogcgo/aprof.go
index c70d633..1687014 100644
--- a/libgo/go/runtime/testdata/testprogcgo/aprof.go
+++ b/libgo/go/runtime/testdata/testprogcgo/aprof.go
@@ -10,7 +10,7 @@ package main
 // This is a regression test for issue 14599, where profiling fails when the
 // function is the first C function. Exported functions are the first C
 // functions, so we use an exported function. Exported functions are created in
-// lexigraphical order of source files, so this file is named aprof.go to
+// lexicographical order of source files, so this file is named aprof.go to
 // ensure its function is first.
 
 // extern void CallGoNop();