Merge pull request #11422 from dotty-staging/fix-11420

Handle creator applications in nested companion objects

Author: liufengyun

compiler/src/dotty/tools/dotc/typer/Typer.scala

@@ -3696,8 +3696,12 @@ class Typer extends Namer
       val Select(qual, nme.apply) = tree; @unchecked
       val tycon = tree.tpe.widen.finalResultType.underlyingClassRef(refinementOK = false)
       val tpt = qual match
-        case Ident(name) => cpy.Ident(qual)(name.toTypeName)
-        case Select(pre, name) => cpy.Select(qual)(pre, name.toTypeName)
+        case Ident(name) =>
+          cpy.Ident(qual)(name.toTypeName)
+        case Select(pre, name) =>
+          cpy.Select(qual)(pre, name.toTypeName)
+        case qual: This if qual.symbol.is(ModuleClass) =>
+          cpy.Ident(qual)(qual.symbol.name.sourceModuleName.toTypeName)
       typed(
         untpd.Select(
           untpd.New(untpd.TypedSplice(tpt.withType(tycon))),

tests/pos/i11420.scala

@@ -0,0 +1,7 @@
+class Foo {
+  class Bar(i: Int)
+
+  object Bar {
+    def zero = Bar(0)
+  }
+}