[test] Add regression test for nil literal in pattern binding

LucianoPAlmeida · LucianoPAlmeida · commit 5ab264a14cb0 · 2022-05-25T23:39:05.000-03:00
diff --git a/test/Constraints/optional.swift b/test/Constraints/optional.swift
@@ -509,3 +509,6 @@ func rdar85166519() {
     v?.addingReportingOverflow(0) // expected-error {{cannot convert value of type '(partialValue: Int, overflow: Bool)?' to expected dictionary key type 'Int'}}
   ]
 }
+
+// https://github.com/apple/swift/issues/58539
+if let x = nil {} // expected-error{{'nil' requires a contextual type}}

Original file line number	Diff line number	Diff line change
`@@ -509,3 +509,6 @@ func rdar85166519() {`
`509`	`509`	`v?.addingReportingOverflow(0) // expected-error {{cannot convert value of type '(partialValue: Int, overflow: Bool)?' to expected dictionary key type 'Int'}}`
`510`	`510`	`]`
`511`	`511`	`}`
	`512`	`+`
	`513`	`+// https://github.com/apple/swift/issues/58539`
	`514`	`+if let x = nil {} // expected-error{{'nil' requires a contextual type}}`