Ensure that we never try to split range at its end position.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index eb91e561b1581398966db11ac4cd59a308a3a3b5..04a4d11751b65d62c0558d89299f2c12af40e244 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -380,6 +380,10 @@ void JoinEntryInstr::PrintTo(BufferFormatter* f) const {
       (*phis_)[i]->PrintTo(f);
     }
   }
+  if (HasParallelMove()) {
+    f->Print("\n");
+    parallel_move()->PrintTo(f);
+  }
 }
 
 
@@ -407,6 +411,10 @@ void TargetEntryInstr::PrintTo(BufferFormatter* f) const {
   } else {
     f->Print("]");
   }
+  if (HasParallelMove()) {
+    f->Print("\n");
+    parallel_move()->PrintTo(f);
+  }
 }
 
 
@@ -449,7 +457,12 @@ void ReThrowInstr::PrintTo(BufferFormatter* f) const {
 
 
 void GotoInstr::PrintTo(BufferFormatter* f) const {
-  f->Print("    goto %d", successor()->block_id());
+  if (HasParallelMove()) {
+    parallel_move()->PrintTo(f);
+  } else {
+    f->Print("    ");
+  }
+  f->Print(" goto %d", successor()->block_id());
 }