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-rw-r--r--test/files/run/t5313.scala54
1 files changed, 0 insertions, 54 deletions
diff --git a/test/files/run/t5313.scala b/test/files/run/t5313.scala
deleted file mode 100644
index 7f5af74c3f..0000000000
--- a/test/files/run/t5313.scala
+++ /dev/null
@@ -1,54 +0,0 @@
-import scala.tools.partest.IcodeComparison
-
-object Test extends IcodeComparison {
- override def printIcodeAfterPhase = "dce"
-
- override def extraSettings: String = super.extraSettings + " -optimize"
-
- override def code =
- """class Foo {
- def randomBoolean = scala.util.Random.nextInt % 2 == 0
- def bar = {
- var kept1 = new Object
- val result = new java.lang.ref.WeakReference(kept1)
- kept1 = null // we can't eliminate this assignment because result can observe
- // when the object has no more references. See SI-5313
- kept1 = new Object // but we can eliminate this one because kept1 has already been clobbered
- var erased2 = null // we can eliminate this store because it's never used
- val erased3 = erased2 // and this
- var erased4 = erased2 // and this
- val erased5 = erased4 // and this
- var kept2: Object = new Object // ultimately can't be eliminated
- while(randomBoolean) {
- val kept3 = kept2
- kept2 = null // this can't, because it clobbers kept2, which is used
- erased4 = null // safe to eliminate
- println(kept3)
- }
- var kept4 = new Object // have to keep, it's used
- try
- println(kept4)
- catch {
- case _ : Throwable => kept4 = null // have to keep, it clobbers kept4 which is used
- }
- var kept5 = new Object
- print(kept5)
- kept5 = null // can't eliminate it's a clobber and it's used
- print(kept5)
- kept5 = null // can eliminate because we don't care about clobbers of nulls
- while(randomBoolean) {
- var kept6: AnyRef = null // not used, but have to keep because it clobbers the next used store
- // on the back edge of the loop
- kept6 = new Object // used
- println(kept6)
- }
- result
- }
- }""".stripMargin
-
- override def show() {
- val storeLocal = "STORE_LOCAL"
- val lines1 = collectIcode() filter (_ contains storeLocal) map (x => x.drop(x.indexOf(storeLocal)))
- println(lines1 mkString "\n")
- }
-}