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-rw-r--r--test/files/run/t8601-closure-elim.scala26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/files/run/t8601-closure-elim.scala b/test/files/run/t8601-closure-elim.scala
new file mode 100644
index 0000000000..2c5b03af77
--- /dev/null
+++ b/test/files/run/t8601-closure-elim.scala
@@ -0,0 +1,26 @@
+import scala.tools.partest.BytecodeTest
+import scala.tools.asm
+import scala.tools.asm.util._
+import scala.collection.JavaConverters._
+
+object Test extends BytecodeTest {
+ val nullChecks = Set(asm.Opcodes.NEW)
+
+ def show: Unit = {
+ def test(methodName: String) {
+ val classNode = loadClassNode("Foo")
+ val methodNode = getMethod(classNode, "b")
+ val ops = methodNode.instructions.iterator.asScala.map(_.getOpcode).toList
+ assert(!ops.contains(asm.Opcodes.NEW), ops)// should be allocation free if the closure is eliminiated
+ }
+ test("b")
+ }
+}
+
+class Foo {
+ @inline final def a(x: Int => Int) = x(1)
+ final def b {
+ val delta = 0
+ a(x => delta + 1)
+ }
+}