From 7dc36e9d9991608c59ac9e40e89573318cd08b74 Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Tue, 7 Mar 2017 00:19:48 +0900
Subject: [PATCH] Add tests for issues with the 'E-needtest' label.

---
 src/test/codegen/issue-15953.rs      | 39 ++++++++++++++++++++++++++++
 src/test/compile-fail/issue-18446.rs | 29 +++++++++++++++++++++
 src/test/compile-fail/issue-22874.rs | 20 ++++++++++++++
 src/test/run-pass/issue-18446.rs     | 21 +++++++++++++++
 src/test/run-pass/issue-23311.rs     | 21 +++++++++++++++
 5 files changed, 130 insertions(+)
 create mode 100644 src/test/codegen/issue-15953.rs
 create mode 100644 src/test/compile-fail/issue-18446.rs
 create mode 100644 src/test/compile-fail/issue-22874.rs
 create mode 100644 src/test/run-pass/issue-18446.rs
 create mode 100644 src/test/run-pass/issue-23311.rs

diff --git a/src/test/codegen/issue-15953.rs b/src/test/codegen/issue-15953.rs
new file mode 100644
index 00000000000..320ea6b5cc4
--- /dev/null
+++ b/src/test/codegen/issue-15953.rs
@@ -0,0 +1,39 @@
+// 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.
+
+// Test that llvm generates `memcpy` for moving a value
+// inside a function and moving an argument.
+
+struct Foo {
+    x: Vec<i32>,
+}
+
+#[inline(never)]
+#[no_mangle]
+// CHECK: memcpy
+fn interior(x: Vec<i32>) -> Vec<i32> {
+    let Foo { x } = Foo { x: x };
+    x
+}
+
+#[inline(never)]
+#[no_mangle]
+// CHECK: memcpy
+fn exterior(x: Vec<i32>) -> Vec<i32> {
+    x
+}
+
+fn main() {
+    let x = interior(Vec::new());
+    println!("{:?}", x);
+
+    let x = exterior(Vec::new());
+    println!("{:?}", x);
+}
diff --git a/src/test/compile-fail/issue-18446.rs b/src/test/compile-fail/issue-18446.rs
new file mode 100644
index 00000000000..60afea5a621
--- /dev/null
+++ b/src/test/compile-fail/issue-18446.rs
@@ -0,0 +1,29 @@
+// 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.
+
+// Test that name clashes between the method in an impl for the type
+// and the method in the trait when both are in the same scope.
+
+trait T {
+    fn foo(&self);
+}
+
+impl<'a> T + 'a {
+    fn foo(&self) {}
+}
+
+impl T for i32 {
+    fn foo(&self) {}
+}
+
+fn main() {
+    let x: &T = &0i32;
+    x.foo(); //~ ERROR multiple applicable items in scope [E0034]
+}
diff --git a/src/test/compile-fail/issue-22874.rs b/src/test/compile-fail/issue-22874.rs
new file mode 100644
index 00000000000..0df84a436c0
--- /dev/null
+++ b/src/test/compile-fail/issue-22874.rs
@@ -0,0 +1,20 @@
+// 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.
+
+struct Table {
+    rows: [[String]],
+    //~^ ERROR the trait bound `[std::string::String]: std::marker::Sized` is not satisfied [E0277]
+}
+
+fn f(table: &Table) -> &[String] {
+    &table.rows[0]
+}
+
+fn main() {}
diff --git a/src/test/run-pass/issue-18446.rs b/src/test/run-pass/issue-18446.rs
new file mode 100644
index 00000000000..eb321e046dc
--- /dev/null
+++ b/src/test/run-pass/issue-18446.rs
@@ -0,0 +1,21 @@
+// 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.
+
+// Test that methods in trait impls should override default methods.
+
+trait T {
+    fn foo(&self) -> i32 { 0 }
+}
+
+impl<'a> T + 'a {
+    fn foo(&self) -> i32 { 1 }
+}
+
+fn main() {}
diff --git a/src/test/run-pass/issue-23311.rs b/src/test/run-pass/issue-23311.rs
new file mode 100644
index 00000000000..fc286184dcb
--- /dev/null
+++ b/src/test/run-pass/issue-23311.rs
@@ -0,0 +1,21 @@
+// 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.
+
+// Test that we do not ICE when pattern matching an array against a slice.
+
+#![feature(slice_patterns)]
+
+fn main() {
+    match "foo".as_bytes() {
+        b"food" => (),
+        &[b'f', ..] => (),
+        _ => ()
+    }
+}