Add failing test.

Author: nsf

_testing/DESC

@@ -50,3 +50,4 @@ test.0049 - anonymous struct type as a function argument
 test.0050 - anonymous struct pointer type as a function argument
 test.0051 - go parser stops parsing after 10 errors without AllErrors flag
 test.0052 - implicit type of a struct within slice/array literal
+test.0053 - type redefinition should not inherit method sets

_testing/test.0053/cursor.215

@@ -0,0 +1,5 @@
+Found 4 candidates:
+  func Fooer() string
+  var A int
+  var B int
+  var C float64

_testing/test.0053/out.expected

@@ -0,0 +1,18 @@
+package main
+
+type FooBar struct {
+	A int
+	B int
+	C float64
+}
+
+func (b *FooBar) Foobarer() string { return "foobarer" }
+
+type Bar FooBar
+
+func (b *Bar) Fooer() string { return "fooer" }
+
+func main() {
+	var b Bar
+	b.
+}