Add a testcase from rdar://19558785, which got fixed along the way.

lattner · lattner · commit 06e84d173da3 · 2016-04-03T14:04:32.000-07:00
diff --git a/test/NameBinding/name-binding.swift b/test/NameBinding/name-binding.swift
@@ -221,3 +221,11 @@ struct Matrix4<T: FloatingPoint>  {
   }
 }
 
+// <rdar://problem/19558785> for-in collection/where expressions are parsed with pattern variables in scope
+func r19558785() {
+  let b = 10
+  for b in 0...b {
+    b
+  }
+}
+

Original file line number	Diff line number	Diff line change
`@@ -221,3 +221,11 @@ struct Matrix4<T: FloatingPoint> {`
`221`	`221`	`}`
`222`	`222`	`}`
`223`	`223`
	`224`	`+// <rdar://problem/19558785> for-in collection/where expressions are parsed with pattern variables in scope`
	`225`	`+func r19558785() {`
	`226`	`+ let b = 10`
	`227`	`+ for b in 0...b {`
	`228`	`+ b`
	`229`	`+ }`
	`230`	`+}`
	`231`	`+`