fix regression for UnicodeScalarView iteration

Lance Parker · Lance Parker · commit 280e0020795c · 2019-01-02T17:42:52.000-08:00
diff --git a/stdlib/public/core/StringUnicodeScalarView.swift b/stdlib/public/core/StringUnicodeScalarView.swift
@@ -185,6 +185,7 @@ extension String.UnicodeScalarView {
     }
 
     @inlinable
+    @inline(__always)
     public mutating func next() -> Unicode.Scalar? {
       guard _fastPath(_position < _end) else { return nil }
 

Original file line number	Diff line number	Diff line change
`@@ -185,6 +185,7 @@ extension String.UnicodeScalarView {`
`185`	`185`	`}`
`186`	`186`
`187`	`187`	`@inlinable`
	`188`	`+ @inline(__always)`
`188`	`189`	`public mutating func next() -> Unicode.Scalar? {`
`189`	`190`	`guard _fastPath(_position < _end) else { return nil }`
`190`	`191`