Fix for SI-5215: scalac crash when @elidable used in trait

The elision is now done by not emitting method calls (it was done by removing the elidable methods).

2 files changed, 46 insertions, 2 deletions

diff --git a/test/files/run/elidable.check b/test/files/run/elidable.check
index 4ce04f0040..9ce2f8c18a 100644
--- a/test/files/run/elidable.check
+++ b/test/files/run/elidable.check
@@ -1 +1,4 @@
-Good for me, I was not elided.
+Good for me, I was not elided. Test.f3
+Good for me, I was not elided. O.f3
+Good for me, I was not elided. C.f1
+Good for me, I was not elided. C.f2
\ No newline at end of file
diff --git a/test/files/run/elidable.scala b/test/files/run/elidable.scala
index 264efbad59..5015b1470b 100644
--- a/test/files/run/elidable.scala
+++ b/test/files/run/elidable.scala
@@ -1,10 +1,30 @@
 import annotation._
 import elidable._
 
+trait T {
+  @elidable(FINEST) def f1()
+  @elidable(SEVERE) def f2()
+  @elidable(FINEST) def f3() = assert(false, "Should have been elided.")
+  def f4()
+}
+
+class C extends T {
+  def f1() = println("Good for me, I was not elided. C.f1")
+  def f2() = println("Good for me, I was not elided. C.f2")
+  @elidable(FINEST) def f4() = assert(false, "Should have been elided.")
+}
+
+object O {
+  @elidable(FINEST) def f1() = assert(false, "Should have been elided.")
+  @elidable(INFO) def f2() = assert(false, "Should have been elided.")
+  @elidable(SEVERE) def f3() = println("Good for me, I was not elided. O.f3")
+  @elidable(INFO) def f4 = assert(false, "Should have been elided (no parens).")
+}
+
 object Test {
   @elidable(FINEST) def f1() = assert(false, "Should have been elided.")
   @elidable(INFO) def f2() = assert(false, "Should have been elided.")
-  @elidable(SEVERE) def f3() = println("Good for me, I was not elided.")
+  @elidable(SEVERE) def f3() = println("Good for me, I was not elided. Test.f3")
   @elidable(INFO) def f4 = assert(false, "Should have been elided (no parens).")
   
   def main(args: Array[String]): Unit = {
@@ -12,5 +32,26 @@ object Test {
     f2()
     f3()
     f4
+    O.f1()
+    O.f2()
+    O.f3()
+    O.f4
+
+    val c = new C
+    c.f1()
+    c.f2()
+    c.f3()
+    c.f4()
+
+    // this one won't show up in the output because a call to f1 is elidable when accessed through T
+    (c:T).f1()
+
+    // Test whether the method definitions are still available.
+    List("Test", "Test$", "O", "O$", "C", "T") foreach { className =>
+      List("f1", "f2", "f3", "f4") foreach { methodName =>
+        Class.forName(className).getMethod(methodName)
+      }
+    }
+    Class.forName("T$class").getMethod("f3", classOf[T])
   }
 }