Add -Yerased-terms for CompilationTests.tastyBootstrap

Author: nicolasstucki

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

@@ -224,6 +224,7 @@ class CompilationTests extends ParallelTesting {
     val lib =
       compileList("src", librarySources,
         defaultOptions.and("-Ycheck-reentrant",
+          "-Yerased-terms", // support declaration of scala.compiletime.erasedValue
           //  "-strict",  // TODO: re-enable once we allow : @unchecked in pattern definitions. Right now, lots of narrowing pattern definitions fail.
           "-priorityclasspath", defaultOutputDir))(libGroup)