Do not emit type error after parse error in last statement of block

[`test/ui/parser/issue-19096.stderr`](https://github.com/rust-lang/rust/blob/1f64f60d5cba64beca6e812e16d6d99519d3551b/src/test/ui/parser/issue-19096.stderr) should not emit a type error.