add test for yesterday's interface rule change (interface/convert1.go).

move interface tests to subdirectory.

R=r
DELTA=1632  (827 added, 804 deleted, 1 changed)
OCL=29181
CL=29191

1 files changed, 37 insertions, 0 deletions

diff --git a/test/interface/pointer.go b/test/interface/pointer.go
new file mode 100644
index 0000000000..202c37d860
--- /dev/null
+++ b/test/interface/pointer.go
@@ -0,0 +1,37 @@
+// errchk $G $D/$F.go
+
+// Copyright 2009 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 interface{M()} = *interface{M()} produces a compiler error.
+
+package main
+
+type Inst interface {
+	Next()	*Inst;
+}
+
+type Regexp struct {
+	code []Inst;
+	start	Inst;
+}
+
+type Start struct {
+	foo	*Inst;
+}
+
+func (start *Start) Next() *Inst { return nil }
+
+
+func AddInst(Inst) *Inst {
+	print("ok in addinst\n");
+	return nil
+}
+
+func main() {
+	re := new(Regexp);
+	print("call addinst\n");
+	var x Inst = AddInst(new(Start));	// ERROR "illegal|incompatible"
+	print("return from  addinst\n");
+}