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Indicate that trans is always dependent on typeck
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// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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// Test that when a trait impl changes, fns whose body uses that trait | ||
// must also be recompiled. | ||
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// compile-flags: -Z incr-comp | ||
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#![feature(rustc_attrs)] | ||
#![allow(warnings)] | ||
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fn main() { } | ||
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pub trait Foo: Sized { | ||
type T; | ||
fn method(self) { } | ||
} | ||
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mod x { | ||
use Foo; | ||
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#[rustc_if_this_changed] | ||
impl Foo for char { type T = char; } | ||
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impl Foo for u32 { type T = u32; } | ||
} | ||
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mod y { | ||
use Foo; | ||
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#[rustc_then_this_would_need(TypeckItemBody)] //~ ERROR OK | ||
#[rustc_then_this_would_need(TransCrateItem)] //~ ERROR OK | ||
pub fn use_char_assoc() { | ||
// Careful here: in the representation, <char as Foo>::T gets | ||
// normalized away, so at a certain point we had no edge to | ||
// trans. (But now trans just depends on typeck.) | ||
let x: <char as Foo>::T = 'a'; | ||
} | ||
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pub fn take_foo<T:Foo>(t: T) { } | ||
} |
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