File: issue-82833-slice-miscompile.rs

package info (click to toggle)
rustc-web 1.85.0%2Bdfsg3-1~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,759,988 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,056; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (16 lines) | stat: -rw-r--r-- 383 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
//@ run-pass
//@ compile-flags: -Ccodegen-units=1 -Cllvm-args=--inline-threshold=0 -Clink-dead-code -Copt-level=0 -Cdebuginfo=2

// Make sure LLVM does not miscompile this.

fn make_string(ch: char) -> String {
    let mut bytes = [0u8; 4];
    ch.encode_utf8(&mut bytes).into()
}

fn main() {
    let ch = '😃';
    dbg!(ch);
    let string = make_string(ch);
    dbg!(string);
}