# HG changeset patch
# User roland
# Date 1508335599 -7200
#      Wed Oct 18 16:06:39 2017 +0200
# Node ID f6ded1503e11f83820df562d5d00c2caa0067a09
# Parent  3e7702cd3f19732fc3d210e98d6ffc537faaee8f
8188223: IfNode::range_check_trap_proj() should handler dying subgraph with single if proj
Reviewed-by: kvn

diff --git a/src/hotspot/share/opto/ifnode.cpp b/src/hotspot/share/opto/ifnode.cpp
--- a/src/hotspot/share/opto/ifnode.cpp
+++ b/src/hotspot/share/opto/ifnode.cpp
@@ -477,6 +477,9 @@
 // if this IfNode follows a range check pattern return the projection
 // for the failed path
 ProjNode* IfNode::range_check_trap_proj(int& flip_test, Node*& l, Node*& r) {
+  if (outcnt() != 2) {
+    return NULL;
+  }
   Node* b = in(1);
   if (b == NULL || !b->is_Bool())  return NULL;
   BoolNode* bn = b->as_Bool();