mirror of https://github.com/rust-lang/rust
23 lines
633 B
Rust
23 lines
633 B
Rust
//@ build-fail
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#![feature(large_assignments)]
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#![move_size_limit = "1000"]
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#![deny(large_assignments)]
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#![allow(unused)]
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// Note: This type does not implement Copy.
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struct Data([u8; 9999]);
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fn main() {
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// Looking at llvm-ir output, we can see a memcpy'd into Data, so we want
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// the lint to trigger here.
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let data = Data([100; 9999]); //~ ERROR large_assignments
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// Looking at llvm-ir output, we can see that there is no memcpy involved in
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// this function call. Instead, just a pointer is passed to the function. So
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// the lint shall not trigger here.
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take_data(data);
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}
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fn take_data(data: Data) {}
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