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Added test case for ptr_arg
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@ -77,3 +77,10 @@ fn test_cow_with_ref(c: &Cow<[i32]>) {
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fn test_cow(c: Cow<[i32]>) {
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let _c = c;
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}
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trait Foo2 {
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fn do_string(&self);
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}
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// no error for &self references where self is of type String (#2293)
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impl Foo2 for String { fn do_string(&self) {} }
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