diff -r 2f79462aab9b -r bf2f27b92064 src/hotspot/cpu/ppc/ppc.ad
--- a/src/hotspot/cpu/ppc/ppc.ad	Mon May 07 09:11:21 2018 +0200
+++ b/src/hotspot/cpu/ppc/ppc.ad	Mon May 07 23:07:01 2018 +0200
@@ -1037,7 +1037,7 @@
   // So first get the Proj node, mem_proj, to use it to iterate forward.
   Node *mem_proj = NULL;
   for (DUIterator_Fast imax, i = mba->fast_outs(imax); i < imax; i++) {
-    mem_proj = mba->fast_out(i);      // Throw out-of-bounds if proj not found
+    mem_proj = mba->fast_out(i);      // Runs out of bounds and asserts if Proj not found.
     assert(mem_proj->is_Proj(), "only projections here");
     ProjNode *proj = mem_proj->as_Proj();
     if (proj->_con == TypeFunc::Memory &&