Enable 440 run tests that pass.

Note that some of them may pass due to several bugs that interfere.

1 files changed, 128 insertions, 0 deletions

diff --git a/tests/run/unreachable.scala b/tests/run/unreachable.scala
new file mode 100644
index 000000000..6a428c6ef
--- /dev/null
+++ b/tests/run/unreachable.scala
@@ -0,0 +1,128 @@
+import scala.util.Random.nextInt
+import scala.sys.error
+
+object Test extends dotty.runtime.LegacyApp {
+  def unreachableNormalExit: Int = {
+    return 42
+    0
+  }
+
+  def unreachableIf: Int = {
+    return 42
+    if (nextInt % 2 == 0)
+      0
+    else
+      1
+  }
+
+  def unreachableIfBranches: Int = {
+    if (nextInt % 2 == 0)
+      return 42
+    else
+      return 42
+
+    return 0
+  }
+
+  def unreachableOneLegIf: Int = {
+    if (nextInt % 2 == 0)
+      return 42
+
+    return 42
+  }
+
+  def unreachableLeftBranch: Int = {
+    val result = if (nextInt % 2 == 0)
+      return 42
+    else
+      42
+
+    return result
+  }
+
+  def unreachableRightBranch: Int = {
+    val result = if (nextInt % 2 == 0)
+      42
+    else
+      return 42
+
+    return result
+  }
+
+  def unreachableTryCatchFinally: Int = {
+    return 42
+    try {
+      return 0
+    } catch {
+      case x: Throwable => return 1
+    } finally {
+      return 2
+    }
+    return 3
+  }
+
+  def unreachableAfterTry: Int = {
+    try {
+      return 42
+    } catch {
+      case x: Throwable => return 2
+    }
+    return 3
+  }
+
+  def unreachableAfterCatch: Int = {
+    try {
+      error("haha")
+    } catch {
+      case x: Throwable => return 42
+    }
+    return 3
+  }
+
+  def unreachableAfterFinally: Int = {
+    try {
+      return 1
+    } catch {
+      case x: Throwable => return 2
+    } finally {
+      return 42
+    }
+    return 3
+  }
+
+  def unreachableSwitch: Int = {
+  	return 42
+    val x = nextInt % 2
+    x match {
+      case 0 => return 0
+      case 1 => return 1
+      case -1 => return 2
+    }
+    3
+  }
+
+  def unreachableAfterSwitch: Int = {
+    val x = nextInt % 2
+    x match {
+      case 0 => return 42
+      case 1 => return 41 + x
+      case -1 => return 43 + x
+    }
+    2
+  }
+
+  def check(f: Int) = assert(f == 42, s"Expected 42 but got $f")
+
+  check(unreachableNormalExit)
+  check(unreachableIf)
+  check(unreachableIfBranches)
+  check(unreachableOneLegIf)
+  check(unreachableLeftBranch)
+  check(unreachableRightBranch)
+  check(unreachableTryCatchFinally)
+  check(unreachableAfterTry)
+  check(unreachableAfterCatch)
+  check(unreachableAfterFinally)
+  check(unreachableSwitch)
+  check(unreachableAfterSwitch)
+}