Re-enable tasty-interpreter test

Since no more casts are inserted, this means tasty-interpreter runs as before.

Author: odersky

compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala

@@ -137,17 +137,8 @@ class BootstrappedOnlyCompilationTests extends ParallelTesting {
       compileFilesInDir("tests/run-custom-args/tasty-inspector", withTastyInspectorOptions)
     )
     val tests =
-      if scala.util.Properties.isWin || true then basicTests
+      if scala.util.Properties.isWin then basicTests
       else compileDir("tests/run-custom-args/tasty-interpreter", withTastyInspectorOptions) :: basicTests
-       // TODO: Re-enable tasty-interpreter test. The problem is that the interpreter cannot handle a cast that
-       // is inserted. The cast looks like this
-       //
-       //    x.$asInstanceOf$[x.type & Matchable]
-       //
-       // Note:
-       //
-       //  - `$asInstanceOf$` instead of `asInstanceOf`, i.e. the compiler-generated cast
-       //  - Matchable does not exist as a Java class
 
     aggregateTests(tests: _*).checkRuns()
   }

tests/neg-custom-args/scrutable.scala renamed to tests/neg-custom-args/matchable.scala

@@ -1,6 +1,6 @@
 def foo[T](x: T): Matchable =
-  println(x.getClass())   // error: should not be scrutinized
-  println(x.isInstanceOf[Int]) // error: should not be scrutinized
+  println(x.getClass())   // ok
+  println(x.isInstanceOf[Int]) // ok
   x match
     case x: Int =>   // error: should not be scrutinized
       println("int")