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test that environ gets deallocated on changes

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Christian Poveda 2020-03-07 09:26:04 -05:00
parent aedc34c6e5
commit 6eccc809f2
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tests/compile-fail/environ-gets-deallocated.rs Normal file
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extern "C" {
static environ: *const *const u8;
}
fn main() {
let pointer = unsafe { environ };
let _x = unsafe { *pointer };
std::env::set_var("FOO", "BAR");
let _y = unsafe { *pointer }; //~ ERROR dangling pointer was dereferenced
}