gc: 0 expected bugs

Now that Luuk's qualified exporting code
is in, fixing this bug is trivial.

R=ken2
CC=golang-dev
https://golang.org/cl/5479048

src/cmd/gc/subr.c

@@ -1964,7 +1964,7 @@ lookdot0(Sym *s, Type *t, Type **save, int ignorecase)
 	return c;
 }
 
-// search depth d --
+// search depth d for field/method s --
 // return count of fields+methods
 // found at search depth.
 // answer is in dotlist array and
@@ -2087,8 +2087,6 @@ expand0(Type *t, int followptr)
 
 	if(u->etype == TINTER) {
 		for(f=u->type; f!=T; f=f->down) {
-			if(!exportname(f->sym->name) && f->sym->pkg != localpkg)
-				continue;
 			if(f->sym->flags & SymUniq)
 				continue;
 			f->sym->flags |= SymUniq;
@@ -2104,8 +2102,6 @@ expand0(Type *t, int followptr)
 	u = methtype(t);
 	if(u != T) {
 		for(f=u->method; f!=T; f=f->down) {
-			if(!exportname(f->sym->name) && f->sym->pkg != localpkg)
-				continue;
 			if(f->sym->flags & SymUniq)
 				continue;
 			f->sym->flags |= SymUniq;

test/bugs/bug367.dir/main.go

@@ -1,12 +0,0 @@
-package main
-
-import (
-	"./p"
-)
-
-type T struct{ *p.S }
-
-func main() {
-	var t T
-	p.F(t)
-}

test/fixedbugs/bug367.dir/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"./p"
+)
+
+type T struct{ *p.S }
+type I interface {
+	get()
+}
+
+func main() {
+	var t T
+	p.F(t)
+	var x interface{} = t
+	_, ok := x.(I)
+	if ok {
+		panic("should not satisfy main.I")
+	}
+	_, ok = x.(p.I)
+	if !ok {
+		panic("should satisfy p.I")
+	}
+}

test/fixedbugs/bug367.dir/p.go

@@ -3,14 +3,13 @@ package p
 type T struct{ x int }
 type S struct{}
 
-func (p *S) get() T {
+func (p *S) get() {
-	return T{0}
 }
 
 type I interface {
-	get() T
+	get()
 }
 
 func F(i I) {
-	_ = i.get()
+	i.get()
 }

test/fixedbugs/bug367.go

@@ -4,4 +4,4 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-ignored
+package ignored

test/golden.out

@@ -119,7 +119,3 @@ broke
 0x0
 
 == bugs/
-
-=========== bugs/bug367.go
-panic: interface conversion: main.T is not p.I: missing method get
-BUG: should not fail