rust/tests/ui/cfg/cfg_false_no_std-2.rs

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// Error, the linked empty library is `no_std` and doesn't provide a panic handler.
// dont-check-compiler-stderr
// error-pattern: `#[panic_handler]` function required, but not found
// aux-build: cfg_false_lib_no_std_before.rs
#![no_std]
extern crate cfg_false_lib_no_std_before as _;
fn main() {}