error: expected attribute arguments in parentheses: `size(...)`
 --> tests/compile_fail/invalid_size_attr.rs:7:7
  |
7 |     #[size]
  |       ^^^^

error: expected u32 literal
 --> tests/compile_fail/invalid_size_attr.rs:9:12
  |
9 |     #[size()]
  |            ^

error: expected u32 literal
  --> tests/compile_fail/invalid_size_attr.rs:11:12
   |
11 |     #[size(invalid)]
   |            ^^^^^^^

error: expected u32 literal or `runtime` identifier
  --> tests/compile_fail/invalid_size_attr.rs:13:14
   |
13 |     #[size(-1)]
   |              ^