6g bug fixes:

 * bug211
 * embedded interfaces with lowercase methods
 * var _ = f() at top level

R=ken
OCL=35898
CL=35898

2 files changed, 66 insertions, 21 deletions

diff --git a/test/interface/embed.go b/test/interface/embed.go
index d216b890d..936ea49b7 100644
--- a/test/interface/embed.go
+++ b/test/interface/embed.go
@@ -34,7 +34,7 @@ var pi = &i
 
 var ok = true
 
-func check(v int64, s string) {
+func check(s string, v int64) {
 	if v != Value {
 		println(s, v);
 		ok = false;
@@ -42,38 +42,38 @@ func check(v int64, s string) {
 }
 
 func main() {
-	check(t.M(), "t.M");
-	check(pt.M(), "pt.M");
-	check(ti.M(), "ti.M");
-	check(pti.M(), "pti.M");
-	check(s.M(), "s.M");
-	check(ps.M(), "ps.M");
-	check(sp.M(), "sp.M");
-	check(psp.M(), "psp.M");
+	check("t.M()", t.M());
+	check("pt.M()", pt.M());
+	check("ti.M()", ti.M());
+	check("pti.M()", pti.M());
+	check("s.M()", s.M());
+	check("ps.M()", ps.M());
+	check("sp.M()", sp.M());
+	check("psp.M()", psp.M());
 
 	i = t;
-	check(i.M(), "i.M - i = t");
-	check(pi.M(), "pi.M - i = t");
+	check("i = t; i.M()", i.M());
+	check("i = t; pi.M()", pi.M());
 
 	i = pt;
-	check(i.M(), "i.M - i = pt");
-	check(pi.M(), "pi.M - i = pt");
+	check("i = pt; i.M()", i.M());
+	check("i = pt; pi.M()", pi.M());
 
 	i = s;
-	check(i.M(), "i.M - i = s");
-	check(pi.M(), "pi.M - i = s");
+	check("i = s; i.M()", i.M());
+	check("i = s; pi.M()", pi.M());
 
 	i = ps;
-	check(i.M(), "i.M - i = ps");
-	check(pi.M(), "pi.M - i = ps");
+	check("i = ps; i.M()", i.M());
+	check("i = ps; pi.M()", pi.M());
 
 	i = sp;
-	check(i.M(), "i.M - i = sp");
-	check(pi.M(), "pi.M - i = sp");
+	check("i = sp; i.M()", i.M());
+	check("i = sp; pi.M()", pi.M());
 
 	i = psp;
-	check(i.M(), "i.M - i = psp");
-	check(pi.M(), "pi.M - i = psp");
+	check("i = psp; i.M()", i.M());
+	check("i = psp; pi.M()", pi.M());
 
 	if !ok {
 		println("BUG: interface10");
diff --git a/test/interface/embed1.go b/test/interface/embed1.go
new file mode 100644
index 000000000..b3fe06f47
--- /dev/null
+++ b/test/interface/embed1.go
@@ -0,0 +1,45 @@
+// $G $D/embed0.go && $G $D/$F.go && $L embed0.$A $F.$A && ./$A.out
+
+// 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 embedded interface types can have local methods.
+
+package main
+
+import "./embed0"
+
+type T int
+func (t T) m() {}
+
+type I interface { m() }
+type J interface { I; }
+
+type PI interface { p.I; }
+type PJ interface { p.J; }
+
+func main() {
+	var i I;
+	var j J;
+	var t T;
+	i = t;
+	j = t;
+	_ = i;
+	_ = j;
+	i = j;
+	_ = i;
+	j = i;
+	_ = j;
+	var pi PI;
+	var pj PJ;
+	var pt p.T;
+	pi = pt;
+	pj = pt;
+	_ = pi;
+	_ = pj;
+	pi = pj;
+	_ = pi;
+	pj = pi;
+	_ = pj;
+}