// AST-based macro attributes expanding to an empty expression produce an error and not ICE. #![feature(custom_test_frameworks)] #![feature(stmt_expr_attributes)] #![feature(test)] fn main() { let _ = #[test] 0; //~ ERROR removing an expression is not supported in this position let _ = #[bench] 1; //~ ERROR removing an expression is not supported in this position let _ = #[test_case] 2; //~ ERROR removing an expression is not supported in this position }