Handle another case in newExpr

The typed prefix of an `apply` may also be this ThisType of a module class.

Fixes #11230

Author: odersky

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 This(name) if qual.symbol.is(ModuleClass) =>
+          cpy.Ident(qual)(qual.symbol.name.toTypeName)
       typed(
         untpd.Select(
           untpd.New(untpd.TypedSplice(tpt.withType(tycon))),

tests/pos/i11230.scala

@@ -0,0 +1,6 @@
+trait TyperCrasher {
+  class CrashTyper(i: Int) {}
+  object CrashTyper {
+    def init: CrashTyper = CrashTyper(0)
+  }
+}