regression tests for ICEs

src/test/compile-fail/issue-36379.rs

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+// Copyright 2017 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.
+
+#![feature(conservative_impl_trait, rustc_attrs)]
+
+fn _test() -> impl Default { }
+
+#[rustc_error]
+fn main() { } //~ ERROR compilation successful

src/test/compile-fail/issue-37550.rs

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+// Copyright 2017 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.
+
+#![feature(const_fn)]
+
+const fn x() {
+    let t = true; //~ ERROR blocks in constant functions are limited to items and tail expressions
+    let x = || t; //~ ERROR blocks in constant functions are limited to items and tail expressions
+}
+
+fn main() {}

src/test/compile-fail/issue-37665.rs

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+// Copyright 2017 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.
+
+// compile-flags: -Z unstable-options --unpretty=mir
+
+use std::path::MAIN_SEPARATOR;
+
+fn main() {
+    let mut foo : String = "hello".to_string();
+    foo.push(MAIN_SEPARATOR);
+    println!("{}", foo);
+    let x: () = 0; //~ ERROR: mismatched types
+}

src/test/compile-fail/issue-38160.rs

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+// Copyright 2017 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.
+
+#![feature(associated_consts, rustc_attrs)]
+#![allow(warnings)]
+
+trait MyTrait {
+    const MY_CONST: &'static str;
+}
+
+macro_rules! my_macro {
+    () => {
+        struct MyStruct;
+
+        impl MyTrait for MyStruct {
+            const MY_CONST: &'static str = stringify!(abc);
+        }
+    }
+}
+
+my_macro!();
+
+#[rustc_error]
+fn main() {} //~ ERROR compilation successful

src/test/compile-fail/issue-38954.rs

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+// Copyright 2017 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.
+
+#![feature(rustc_attrs)]
+
+fn _test(ref _p: str) {}
+
+#[rustc_error]
+fn main() { } //~ ERROR compilation successful

src/test/compile-fail/issue-39362.rs

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+// Copyright 2017 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.
+
+enum Foo {
+    Bar { bar: Bar, id: usize }
+}
+
+enum Bar {
+    A, B, C, D, E, F
+}
+
+fn test(f: Foo) {
+    match f {
+        //~^ ERROR non-exhaustive patterns
+        //~| patterns
+        Foo::Bar { bar: Bar::A, .. } => (),
+        Foo::Bar { bar: Bar::B, .. } => (),
+    }
+}
+
+fn main() {}