From 1d1570acc9ac9d76394da05f63fa7881b6492ab9 Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Mon, 11 May 2015 22:51:31 +0200
Subject: [PATCH 1/2] Add regression test for #18075

Closes #18075.
---
 src/test/run-pass/issue-18075.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/test/run-pass/issue-18075.rs

diff --git a/src/test/run-pass/issue-18075.rs b/src/test/run-pass/issue-18075.rs
new file mode 100644
index 0000000000000..5f07ba2235fd5
--- /dev/null
+++ b/src/test/run-pass/issue-18075.rs
@@ -0,0 +1,16 @@
+// Copyright 2015 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.
+
+// exec-env:RUST_LOG=rustc::middle=debug
+
+fn main() {
+    let b = 1isize;
+    println!("{}", b);
+}

From 23300a39a1ceffdba4c4695fc2e527e47ea2c95d Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Tue, 12 May 2015 11:02:47 +0200
Subject: [PATCH 2/2] Add regression test for #20413

Closes #20413.
---
 src/test/compile-fail/issue-20413.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 src/test/compile-fail/issue-20413.rs

diff --git a/src/test/compile-fail/issue-20413.rs b/src/test/compile-fail/issue-20413.rs
new file mode 100644
index 0000000000000..a48c03aa178c3
--- /dev/null
+++ b/src/test/compile-fail/issue-20413.rs
@@ -0,0 +1,25 @@
+// Copyright 2015 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.
+
+trait Foo {
+  fn answer(self);
+}
+
+struct NoData<T>;
+//~^ ERROR: parameter `T` is never used
+
+impl<T> Foo for T where NoData<T>: Foo {
+//~^ ERROR: overflow evaluating the requirement
+  fn answer(self) {
+    let val: NoData<T> = NoData;
+  }
+}
+
+fn main() {}