File: new-llvm-pass-manager-thin-lto.rs

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (27 lines) | stat: -rw-r--r-- 729 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// Regression test for sanitizer function instrumentation passes not
// being run when compiling with new LLVM pass manager and ThinLTO.
// Note: The issue occurred only on non-zero opt-level.
//
//@ needs-sanitizer-support
//@ needs-sanitizer-address
//@ ignore-cross-compile
//
//@ no-prefer-dynamic
//@ revisions: opt0 opt1
//@ compile-flags: -Zsanitizer=address -Clto=thin
//@[opt0]compile-flags: -Copt-level=0
//@[opt1]compile-flags: -Copt-level=1
//@ run-fail
//@ error-pattern: ERROR: AddressSanitizer: stack-use-after-scope

static mut P: *mut usize = std::ptr::null_mut();

fn main() {
    unsafe {
        {
            let mut x = 0;
            P = &mut x;
        }
        std::ptr::write_volatile(P, 123);
    }
}