From 7737e19b15151f5a8578c77c5df99ce364b7d281 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Fri, 17 Feb 2012 17:52:05 -0800
Subject: [PATCH] test: add some tests that gccgo failed to handle correctly

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5671090
---
 test/fixedbugs/bug419.go | 17 +++++++++++++++++
 test/fixedbugs/bug420.go | 14 ++++++++++++++
 test/fixedbugs/bug421.go | 17 +++++++++++++++++
 test/fixedbugs/bug422.go | 11 +++++++++++
 4 files changed, 59 insertions(+)
 create mode 100644 test/fixedbugs/bug419.go
 create mode 100644 test/fixedbugs/bug420.go
 create mode 100644 test/fixedbugs/bug421.go
 create mode 100644 test/fixedbugs/bug422.go

diff --git a/test/fixedbugs/bug419.go b/test/fixedbugs/bug419.go
new file mode 100644
index 0000000000..cfab404eb3
--- /dev/null
+++ b/test/fixedbugs/bug419.go
@@ -0,0 +1,17 @@
+// compile
+
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1811.
+// gccgo failed to compile this.
+
+package p
+
+type E interface{}
+
+type I interface {
+	E
+	E
+}
diff --git a/test/fixedbugs/bug420.go b/test/fixedbugs/bug420.go
new file mode 100644
index 0000000000..02b4349d80
--- /dev/null
+++ b/test/fixedbugs/bug420.go
@@ -0,0 +1,14 @@
+// compile
+
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1757.
+// gccgo failed to compile this.
+
+package main
+
+func main() {
+     (_) = 0
+}
diff --git a/test/fixedbugs/bug421.go b/test/fixedbugs/bug421.go
new file mode 100644
index 0000000000..1fe02375ab
--- /dev/null
+++ b/test/fixedbugs/bug421.go
@@ -0,0 +1,17 @@
+// errorcheck
+
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1927.
+// gccgo failed to issue the first error below.
+
+package main
+
+func main() {
+	println(int(1) == uint(1))	// ERROR "types"
+	var x int = 1
+	var y uint = 1
+	println(x == y)			// ERROR "types"
+}
diff --git a/test/fixedbugs/bug422.go b/test/fixedbugs/bug422.go
new file mode 100644
index 0000000000..6865fe4b63
--- /dev/null
+++ b/test/fixedbugs/bug422.go
@@ -0,0 +1,11 @@
+// compile
+
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// gccgo crashed compiling this file.
+
+package p
+
+var V = "a" > "b"