Disable test and replace it by and equivalent one

Test i4947a.scala has an extra issue (#6066) that needs to be fixed

Author: nicolasstucki

tests/run/i4947a.scala renamed to tests/disabled/run/i4947a.scala

@@ -0,0 +1,14 @@
+track (i = 0): Test$.main(i4947a2.scala:4)
+track (i = 0): Test$.main(i4947a2.scala:5)
+track (i = 2): Test$.main(i4947a2.scala:4)
+track (i = 2): Test$.main(i4947a2.scala:5)
+main1 (i = -1): Test$.main(i4947a2.scala:21)
+main2 (i = -1): Test$.main(i4947a2.scala:22)
+track (i = 1): Test$.main(i4947a2.scala:4)
+track (i = 1): Test$.main(i4947a2.scala:5)
+main1 (i = -1): Test$.main(i4947a2.scala:21)
+main2 (i = -1): Test$.main(i4947a2.scala:22)
+track (i = 0): Test$.main(i4947a2.scala:4)
+track (i = 0): Test$.main(i4947a2.scala:5)
+main1 (i = -1): Test$.main(i4947a2.scala:21)
+main2 (i = -1): Test$.main(i4947a2.scala:22)

tests/run/i4947a2.check

@@ -0,0 +1,27 @@
+object Test {
+
+  inline def fact[T](inline i: Int)(f: => T): Int = {
+    printStack(i, "track")
+    printStack(i, "track")
+    f
+    if (i == 0)
+      1
+    else {
+      i * fact(i-1)(f)
+    }
+  }
+
+  def printStack(i: Int, tag: String): Unit = {
+    println(s"$tag (i = $i): ${new Exception().getStackTrace().apply(1)}")
+  }
+
+  def main(args: Array[String]): Unit = {
+    fact(0) {
+      fact(2) {
+        printStack(-1, "main1")
+        printStack(-1, "main2")
+      }
+    }
+  }
+
+}