basic tests for cross-crate hashing

src/test/incremental/callee_caller_cross_crate/auxiliary/a.rs

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+// Copyright 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.
+
+#![crate_type="rlib"]
+
+#[cfg(rpass1)]
+pub fn function0(x: u32) -> u32 {
+    x
+}
+
+#[cfg(rpass2)]
+pub fn function0(x: i32) -> i32 {
+    x
+}
+
+pub fn function1(x: u32) {
+}

src/test/incremental/callee_caller_cross_crate/b.rs

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+// Copyright 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.
+
+// aux-build:a.rs
+// revisions:rpass1 rpass2
+
+#![feature(rustc_attrs)]
+
+extern crate a;
+
+#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")]
+pub fn call_function0() {
+    a::function0(77);
+}
+
+#[rustc_clean(label="TypeckItemBody", cfg="rpass2")]
+pub fn call_function1() {
+    a::function1(77);
+}
+
+pub fn main() { }

src/test/incremental/type_alias_cross_crate/auxiliary/a.rs

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+// Copyright 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.
+
+#![crate_type="rlib"]
+
+#[cfg(rpass1)]
+pub type X = u32;
+
+#[cfg(rpass2)]
+pub type X = i32;
+
+pub type Y = char;
+
+pub fn foo() { }

src/test/incremental/type_alias_cross_crate/b.rs

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+// Copyright 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.
+
+// aux-build:a.rs
+// revisions:rpass1 rpass2
+
+#![feature(rustc_attrs)]
+
+extern crate a;
+
+#[rustc_dirty(label="TypeckItemBody", cfg="rpass2")]
+pub fn use_X() -> u32 {
+    let x: a::X = 22;
+    x as u32
+}
+
+#[rustc_clean(label="TypeckItemBody", cfg="rpass2")]
+pub fn use_Y() {
+    let x: a::Y = 'c';
+}
+
+pub fn main() { }