gc: fix chan <- chan precedence.

also allow func() func().

R=ken2
CC=golang-dev
http://codereview.appspot.com/194078

1 files changed, 54 insertions, 0 deletions

diff --git a/test/import3.go b/test/import3.go
new file mode 100644
index 000000000..e4900b93d
--- /dev/null
+++ b/test/import3.go
@@ -0,0 +1,54 @@
+// $G $D/import2.go && $G $D/$F.go
+
+// Copyright 2010 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.
+
+// Check that all the types from import2.go made it
+// intact and with the same meaning, by assigning to or using them.
+
+package main
+
+import "./import2"
+
+func f3(func() func() int)
+
+func main() {
+	p.F3(p.F1)
+	p.F3(p.F2())
+	f3(p.F1)
+	f3(p.F2())
+
+	p.C1 = (chan<- (chan int))(nil)
+	p.C2 = (chan (<-chan int))(nil)
+	p.C3 = (<-chan (chan int))(nil)
+	p.C4 = (chan (chan<- int))(nil)
+
+	p.C5 = (<-chan (<-chan int))(nil)
+	p.C6 = (chan<- (<-chan int))(nil)
+	p.C7 = (chan<- (chan<- int))(nil)
+
+	p.C8 = (<-chan (<-chan (chan int)))(nil)
+	p.C9 = (<-chan (chan<- (chan int)))(nil)
+	p.C10 = (chan<- (<-chan (chan int)))(nil)
+	p.C11 = (chan<- (chan<- (chan int)))(nil)
+	p.C12 = (chan (chan<- (<-chan int)))(nil)
+	p.C13 = (chan (chan<- (chan<- int)))(nil)
+
+	p.R1 = (chan <- chan int)(nil)
+	p.R3 = (<- chan chan int)(nil)
+	p.R4 = (chan chan <- int)(nil)
+
+	p.R5 = (<- chan <- chan int)(nil)
+	p.R6 = (chan <- <- chan int)(nil)
+	p.R7 = (chan <- chan <- int)(nil)
+
+	p.R8 = (<- chan <- chan chan int)(nil)
+	p.R9 = (<- chan chan <- chan int)(nil)
+	p.R10 = (chan <- <- chan chan int)(nil)
+	p.R11 = (chan <- chan <- chan int)(nil)
+	p.R12 = (chan chan <- <- chan int)(nil)
+	p.R13 = (chan chan <- chan <- int)(nil)
+
+}
+