6ac229ca21
This saves us both the Freeze/Unpin queries, and avoids placing noalias attributes, which have a compile-time impact on LLVM even in optnone builds (due to always_inline functions).
15 lines
325 B
Rust
15 lines
325 B
Rust
// compile-flags: -O -Z mutable-noalias=yes
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#![crate_type = "lib"]
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pub struct SelfRef {
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self_ref: *mut SelfRef,
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_pin: std::marker::PhantomPinned
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}
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// CHECK-LABEL: @test_self_ref(
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// CHECK-NOT: noalias
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#[no_mangle]
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pub unsafe fn test_self_ref(s: &mut SelfRef) {
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(*s.self_ref).self_ref = std::ptr::null_mut();
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}
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