check for type equality in deepequal

R=r,dnadasi
DELTA=9  (8 added, 0 deleted, 1 changed)
OCL=27473
CL=27486

src/lib/reflect/all_test.go

@@ -387,6 +387,8 @@ type Basic struct {
 	y float32
 }
 
+type NotBasic Basic
+
 type Recursive struct {
 	x int;
 	r *Recursive
@@ -429,6 +431,7 @@ var deepEqualTests = []DeepEqualTest {
 	DeepEqualTest{ 0.5, "hello", false },
 	DeepEqualTest{ []int{ 1, 2, 3 }, [3]int{ 1, 2, 3 }, false },
 	DeepEqualTest{ &[3]interface{} { 1, 2, 4 }, &[3]interface{} { 1, 2, "s" }, false },
+	DeepEqualTest{ Basic{ 1, 0.5 }, NotBasic{ 1, 0.5 }, false },
 }
 
 func TestDeepEqual(t *testing.T) {

src/lib/reflect/deepequal.go

@@ -74,5 +74,10 @@ func deepValueEqual(v1, v2 Value, visited map[Addr]Addr) bool {
 // handles recursive types. Until reflection supports maps, maps are equal iff
 // they are identical.
 func DeepEqual(a1, a2 interface{}) bool {
-	return deepValueEqual(NewValue(a1), NewValue(a2), make(map[Addr]Addr));
+	v1 := NewValue(a1);
+	v2 := NewValue(a2);
+	if !equalType(v1.Type(), v2.Type()) {
+		return false;
+	}
+	return deepValueEqual(v1, v2, make(map[Addr]Addr));
 }