mirror of https://github.com/rust-lang/rust.git
22 lines
566 B
Rust
22 lines
566 B
Rust
// Test what happens we save incremental compilation state that makes
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// use of foreign items. This used to ICE (#34991).
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//@ revisions: rpass1
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use std::ffi::CString;
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mod mlibc {
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extern "C" {
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// strlen is provided either by an external library or compiler-builtins as a fallback
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pub fn strlen(x: *const std::ffi::c_char) -> usize;
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}
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}
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fn strlen(s: String) -> usize {
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let c = CString::new(s).unwrap();
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unsafe { mlibc::strlen(c.as_ptr()) }
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}
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pub fn main() {
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assert_eq!(strlen("1024".to_string()), strlen("2048".to_string()));
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}
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