--- old/src/hotspot/cpu/x86/c1_LIRAssembler_x86.cpp	2018-06-08 19:45:17.694008912 +0200
+++ new/src/hotspot/cpu/x86/c1_LIRAssembler_x86.cpp	2018-06-08 19:45:17.432997588 +0200
@@ -1346,7 +1346,11 @@
       __ decode_heap_oop(dest->as_register());
     }
 #endif
-    __ verify_oop(dest->as_register());
+
+    // Load barrier has not yet been applied, so ZGC can't verify the oop here
+    if (!UseZGC) {
+      __ verify_oop(dest->as_register());
+    }
   } else if (type == T_ADDRESS && addr->disp() == oopDesc::klass_offset_in_bytes()) {
 #ifdef _LP64
     if (UseCompressedClassPointers) {