mirror of https://github.com/rust-lang/rust
25 lines
634 B
Rust
25 lines
634 B
Rust
//@ compile-flags: -Zunleash-the-miri-inside-of-you
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#![feature(thread_local)]
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#![allow(static_mut_refs)]
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extern "C" {
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static mut DATA: u8;
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}
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// Make sure we catch accessing extern static.
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static TEST_READ: () = {
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unsafe { let _val = DATA; }
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//~^ ERROR could not evaluate static initializer
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//~| NOTE cannot access extern static
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};
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static TEST_WRITE: () = {
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unsafe { DATA = 0; }
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//~^ ERROR could not evaluate static initializer
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//~| NOTE cannot access extern static
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};
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// Just creating a reference is fine, as long as we are not reading or writing.
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static TEST_REF: &u8 = unsafe { &DATA };
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fn main() {}
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