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34 lines
675 B
Rust
34 lines
675 B
Rust
// run-pass
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trait X {
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fn call<T: std::fmt::Debug>(&self, x: &T);
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fn default_method<T: std::fmt::Debug>(&self, x: &T) {
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println!("X::default_method {:?}", x);
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}
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}
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#[derive(Debug)]
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struct Y(#[allow(unused_tuple_struct_fields)] isize);
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#[derive(Debug)]
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struct Z<T: X+std::fmt::Debug> {
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x: T
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}
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impl X for Y {
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fn call<T: std::fmt::Debug>(&self, x: &T) {
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println!("X::call {:?} {:?}", self, x);
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}
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}
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impl<T: X + std::fmt::Debug> Drop for Z<T> {
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fn drop(&mut self) {
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// These statements used to cause an ICE.
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self.x.call(self);
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self.x.default_method(self);
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}
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}
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pub fn main() {
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let _z = Z {x: Y(42)};
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}
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