fix "declared and not used" in tests;

also template/template.go, missed last time.

R=r
DELTA=116  (61 added, 10 deleted, 45 changed)
OCL=34620
CL=34622

4 files changed, 8 insertions, 3 deletions

diff --git a/test/interface/convert.go b/test/interface/convert.go
index f15f5ef0f..bc219c72f 100644
--- a/test/interface/convert.go
+++ b/test/interface/convert.go
@@ -102,8 +102,7 @@ func main() {
 	hello(t.String());
 
 	// I2T2 false
-	var u1 U;
-	u1, ok = s.(U);
+	_, ok = s.(U);
 	false(ok);
 
 	// I2I2 true
diff --git a/test/interface/fail.go b/test/interface/fail.go
index 0e0c4d3ca..07bd865c8 100644
--- a/test/interface/fail.go
+++ b/test/interface/fail.go
@@ -18,6 +18,7 @@ func main() {
 	var e interface {};
 	e = s;
 	i = e.(I);
+	_ = i;
 }
 
 // hide S down here to avoid static warning
diff --git a/test/interface/pointer.go b/test/interface/pointer.go
index d94ec7cad..be24952ff 100644
--- a/test/interface/pointer.go
+++ b/test/interface/pointer.go
@@ -30,7 +30,6 @@ func AddInst(Inst) *Inst {
 }
 
 func main() {
-	re := new(Regexp);
 	print("call addinst\n");
 	var x Inst = AddInst(new(Start));	// ERROR "illegal|incompatible|is not"
 	print("return from  addinst\n");
diff --git a/test/interface/receiver1.go b/test/interface/receiver1.go
index 7f257a3ba..8ce96424e 100644
--- a/test/interface/receiver1.go
+++ b/test/interface/receiver1.go
@@ -27,17 +27,23 @@ func main() {
 
 	v = t;
 	p = t;	// ERROR "is not|requires a pointer"
+	_, _= v, p;
 	v = &t;
 	p = &t;
+	_, _= v, p;
 
 	v = s;
 	p = s;	// ERROR "is not|requires a pointer"
+	_, _= v, p;
 	v = &s;
 	p = &s;
+	_, _= v, p;
 
 	v = sp;
 	p = sp;	// no error!
+	_, _= v, p;
 	v = &sp;
 	p = &sp;
+	_, _= v, p;
 }