Nipped the infinite loop which is presently lau...

Nipped the infinite loop which is presently launched by an attempt to
run test.continuations.suite with -optimise. No review.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala b/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
index 419edd8b83..0810a64f5d 100644
--- a/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
+++ b/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
@@ -54,8 +54,18 @@ abstract class ICodes extends AnyRef
     else
       global.abort("Unknown linearizer: " + global.settings.Xlinearizer.value)
 
+  /** Have to be careful because dump calls around, possibly
+   *  re-entering methods which initiated the dump (like foreach
+   *  in BasicBlocks) which leads to the icode output olympics.
+   */
+  private var alreadyDumping = false
+
   /** Print all classes and basic blocks. Used for debugging. */
+
   def dump {
+    if (alreadyDumping) return
+    else alreadyDumping = true
+
     val printer = new TextPrinter(new PrintWriter(Console.out, true),
                                   new DumpLinearizer)