Merge pull request #1951 from dotty-staging/fix-1484

fix #1484: position of while incorrect in debug

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/debug/tailrec.scala b/tests/debug/tailrec.scala
new file mode 100644
index 000000000..f79514fa3
--- /dev/null
+++ b/tests/debug/tailrec.scala
@@ -0,0 +1,17 @@
+object Test {
+  def fact(x: Int): Int = {
+    if (x == 0)
+      1
+    else
+      x * fact(x - 1) // TODO: incorrect this line when x = 0
+  }
+
+
+   def main(args: Array[String]): Unit = {
+     val a = 1 + 2
+     val b = a * 9     // [break] [step: fact]
+     val c = fact(a)   // [step: x == 0] [step: fact(x - 1)] [step: x == 0] [cont]
+     fact(0)           // [break] [step: x == 0] [step: 1] [step: fact(x - 1)] [step: print]
+     print(c)          // [cont]
+  }
+}
\ No newline at end of file