port of r22100

1 files changed, 80 insertions, 0 deletions

diff --git a/test/files/pos/t2619.scala b/test/files/pos/t2619.scala
new file mode 100644
index 0000000000..565bc9572b
--- /dev/null
+++ b/test/files/pos/t2619.scala
@@ -0,0 +1,80 @@
+abstract class F {
+    final def apply(x: Int): AnyRef = null
+}
+abstract class AbstractModule {
+    def as: List[AnyRef]
+    def ms: List[AbstractModule]
+    def fs: List[F] = Nil
+    def rs(x: Int): List[AnyRef] = fs.map(_(x))
+}
+abstract class ModuleType1 extends AbstractModule {}
+abstract class ModuleType2 extends AbstractModule {}
+
+object ModuleAE extends ModuleType1 {
+    def as = Nil
+    def ms = Nil
+}
+object ModuleAF extends ModuleType2 {
+    def as = Nil
+    def ms = List(ModuleAE)
+}
+object ModuleAG extends ModuleType1 {
+    def as = List("")
+    def ms = Nil
+}
+object ModuleAI extends ModuleType1 {
+    def as = Nil
+    def ms = List(ModuleAE)
+}
+object ModuleAK extends ModuleType2 {
+    def as = Nil
+    def ms = List(ModuleAF)
+}
+object ModuleAL extends ModuleType1 {
+    def as = Nil
+    def ms = List(
+        ModuleAG,
+        ModuleAI
+    )
+}
+object ModuleAM extends ModuleType1 {
+    def as = Nil
+    def ms = List(
+        ModuleAL,
+        ModuleAE
+    ) ::: List(ModuleAK)
+}
+object ModuleBE extends ModuleType1 {
+    def as = Nil
+    def ms = Nil
+}
+object ModuleBF extends ModuleType2 {
+    def as = Nil
+    def ms = List(ModuleBE)
+}
+object ModuleBG extends ModuleType1 {
+    def as = List("")
+    def ms = Nil
+}
+object ModuleBI extends ModuleType1 {
+    def as = Nil
+    def ms = List(ModuleBE)
+}
+object ModuleBK extends ModuleType2 {
+    def as = Nil
+    def ms = List(ModuleBF)
+}
+object ModuleBL extends ModuleType1 {
+    def as = Nil
+    def ms = List(
+        ModuleBG,
+        ModuleBI
+    )
+}
+object ModuleBM extends ModuleType1 {
+    def as = Nil
+    def ms = List(
+        ModuleBL,
+        ModuleBE
+    ) ::: List(ModuleBK)
+}
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