--- gcc-5.2.0-orig/gcc/tree-ssa-loop-im.c	2015-01-09 20:18:42.000000000 +0000
+++ gcc-5.2.0/gcc/tree-ssa-loop-im.c	2017-03-12 00:33:02.082243568 +0000
@@ -628,7 +628,7 @@
   hash = iterative_hash_expr (*mem, 0);
   ref = memory_accesses.refs->find_with_hash (*mem, hash);
 
-  gcc_assert (ref != NULL);
+  // gcc_assert (ref != NULL);
   return ref;
 }
 
@@ -2625,5 +2625,3 @@
 {
   return new pass_lim (ctxt);
 }
-
-
