Workaround for rdar://141977987

Author: rintaro

Sources/SwiftSyntax/Syntax.swift

@@ -70,10 +70,12 @@ public struct Syntax: SyntaxProtocol, SyntaxHashable {
   }
 
   public var id: SyntaxIdentifier {
-    SyntaxIdentifier(
-      rootId: UInt(rawID: arena.root.pointee.raw.id),
-      indexInTree: SyntaxIdentifier.SyntaxIndexInTree(indexInTree: absoluteInfo.indexInTree)
-    )
+    withExtendedLifetime(self) {  // 'withExtendedLifetime' for a potential compiler bug (rdar://141977987)
+      SyntaxIdentifier(
+        rootId: UInt(rawID: arena.root.pointee.raw.id),
+        indexInTree: SyntaxIdentifier.SyntaxIndexInTree(indexInTree: absoluteInfo.indexInTree)
+      )
+    }
   }
 
   /// The position of the start of this node's leading trivia