Add test to prevent i14027 regression

tests/run-custom-args/tasty-inspector/i14027.scala

@@ -0,0 +1,27 @@
+import scala.quoted.*
+import scala.tasty.inspector.*
+
+class MyTest:
+  List() match
+    case Nil => 1
+    case _ :: tail => 2
+
+class TestInspector extends Inspector:
+  override def inspect(using Quotes)(tastys: List[Tasty[quotes.type]]): Unit =
+    import quotes.reflect.*
+    val tree: Tree = tastys(0).ast
+    val traverser = new TreeTraverser {}
+    traverser.traverseTree(tree)(tree.symbol)
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    // Artefact of the current test infrastructure
+    // TODO improve infrastructure to avoid needing this code on each test
+    val classpath = dotty.tools.dotc.util.ClasspathFromClassloader(this.getClass.getClassLoader).split(java.io.File.pathSeparator).find(_.contains("runWithCompiler")).get
+    val allTastyFiles = dotty.tools.io.Path(classpath).walkFilter(_.extension == "tasty").map(_.toString).toList
+    val tastyFiles = allTastyFiles.filter(_.contains("MyTest"))
+
+    val inspect = new TestInspector()
+    TastyInspector.inspectTastyFiles(allTastyFiles)(inspect)
+  }
+}