Add test and fix for initialization cycle

EnzeXing · lrytz · EnzeXing · commit e3c16186e8cc · 2024-06-19T11:55:55.000-04:00
Co-authored-by: Lukas Rytz &lt;lukas.rytz@gmail.com&gt;
diff --git a/library/src/scala/collection/immutable/Vector.scala b/library/src/scala/collection/immutable/Vector.scala
@@ -81,8 +81,9 @@ object Vector extends StrictOptimizedSeqFactory[Vector] {
   }
 
   private val defaultApplyPreferredMaxLength: Int =
-    try System.getProperty("scala.collection.immutable.Vector.defaultApplyPreferredMaxLength",
-      "250").toInt
+    // explicit StringOps to avoid initialization cycle with Predef (scala/bug#13009)
+    try new StringOps(System.getProperty("scala.collection.immutable.Vector.defaultApplyPreferredMaxLength",
+      "250")).toInt
     catch {
       case _: SecurityException => 250
     }

Original file line number	Diff line number	Diff line change
`@@ -81,8 +81,9 @@ object Vector extends StrictOptimizedSeqFactory[Vector] {`
`81`	`81`	`}`
`82`	`82`
`83`	`83`	`private val defaultApplyPreferredMaxLength: Int =`
`84`		`- try System.getProperty("scala.collection.immutable.Vector.defaultApplyPreferredMaxLength",`
`85`		`- "250").toInt`
	`84`	`+ // explicit StringOps to avoid initialization cycle with Predef (scala/bug#13009)`
	`85`	`+ try new StringOps(System.getProperty("scala.collection.immutable.Vector.defaultApplyPreferredMaxLength",`
	`86`	`+ "250")).toInt`
`86`	`87`	`catch {`
`87`	`88`	`case _: SecurityException => 250`
`88`	`89`	`}`