16 lines
236 B
Rust
16 lines
236 B
Rust
// error-pattern:borrowed
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// Test that write guards trigger when there is a write to a field
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// of a frozen structure.
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struct S {
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x: int
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}
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fn main() {
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let x = @mut S { x: 3 };
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let y: &S = x;
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let z = x;
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z.x = 5;
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}
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