cmd/gc: test for issue 3552

R=rsc
CC=golang-dev
https://golang.org/cl/6128051

test/bugs/bug434.dir/one.go

+// 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.
+
+package one
+
+// Issue 3552
+
+type T struct { int }
+
+func (t T) F() int { return t.int }
+
+type U struct { int int }
+
+func (u U) F() int { return u.int }
+
+type lint int
+
+type V struct { lint }
+
+func (v V) F() int { return int(v.lint) }
+
+type W struct { lint lint }
+
+func (w W) F() int { return int(w.lint) }
+
+
+

test/bugs/bug434.dir/two.go

+// 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.
+
+// Use the functions in one.go so that the inlined
+// forms get type-checked.
+
+package two
+
+import "./one"
+
+func use() {
+	var t one.T
+	var u one.U
+	var v one.V
+	var w one.W
+
+	_ = t.F()
+	_ = u.F()
+	_ = v.F()
+	_ = w.F()
+}

test/bugs/bug434.go

+// $G $D/$F.dir/one.go && $G $D/$F.dir/two.go || echo BUG:bug434
+
+// Copyright 2011 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.
+
+package ignored

test/fixedbugs/bug396.dir/one.go

@@ -4,6 +4,7 @@
 
 package one
 
+// Issue 2687
 type T struct { int }
 
 func New(i int) T { return T{i} }

test/golden.out

@@ -22,3 +22,7 @@ throw: all goroutines are asleep - deadlock!
 
 =========== bugs/bug395.go
 bug395 is broken
+
+=========== bugs/bug434.go
+bugs/bug434.dir/two.go:10: one.t.int undefined (cannot refer to unexported field or method one.int)
+BUG:bug434