Only test scodec with experimental compiler

Author: liufengyun

community-build/src/scala/dotty/communitybuild/projects.scala

@@ -10,6 +10,9 @@ lazy val compilerVersion: String =
   val file = communitybuildDir.resolve("scala3-bootstrapped.version")
   new String(Files.readAllBytes(file), UTF_8)
 
+lazy val isExperimentalCompiler: Boolean =
+  compilerVersion.contains("SNAPSHOT") || compilerVersion.contains("NIGHTLY")
+
 lazy val sbtPluginFilePath: String =
   // Workaround for https://github.com/sbt/sbt/issues/4395
   new File(sys.props("user.home") + "/.sbt/1.0/plugins").mkdirs()

community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala

@@ -116,7 +116,7 @@ class CommunityBuildTestB extends CommunityBuildTest:
   @Test def disciplineSpecs2 = projects.disciplineSpecs2.run()
   @Test def munit = projects.munit.run()
   @Test def perspective = projects.perspective.run()
-  @Test def scodec = projects.scodec.run()
+  @Test def scodec = if (isExperimentalCompiler) projects.scodec.run()
   @Test def scodecBits = projects.scodecBits.run()
   @Test def simulacrumScalafixAnnotations = projects.simulacrumScalafixAnnotations.run()
 end CommunityBuildTestB