30 lines
753 B
Rust
30 lines
753 B
Rust
// revisions: no_cache cache fn_ptr
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#[no_mangle]
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fn foo() {}
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fn main() {
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#[cfg(any(cache, fn_ptr))]
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extern "Rust" {
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fn foo();
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}
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#[cfg(fn_ptr)]
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unsafe { std::mem::transmute::<unsafe fn(), unsafe extern "C" fn()>(foo)() }
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//[fn_ptr]~^ ERROR calling a function with ABI Rust using caller ABI C
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// `Instance` caching should not suppress ABI check.
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#[cfg(cache)]
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unsafe { foo() }
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{
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#[cfg_attr(any(cache, fn_ptr), allow(clashing_extern_declarations))]
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extern "C" {
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fn foo();
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}
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unsafe { foo() }
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//[no_cache]~^ ERROR calling a function with ABI Rust using caller ABI C
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//[cache]~^^ ERROR calling a function with ABI Rust using caller ABI C
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}
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}
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