gotypes,tests: test case for issue #195 (#214)

Adds test cases for the bug in #195, similar to #212.

Updates #195
Updates #191

tests/fixedbugs/issue195/issue195_test.go

@@ -0,0 +1,10 @@
+package issue195
+
+import "testing"
+
+//go:generate go run asm.go -out issue195.s -stubs stub.go
+
+func TestIssue195(t *testing.T) {
+	x := uint64(42)
+	Issue195(&x, 42)
+}