--- old/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2014-01-06 15:18:09.415467756 +0100
+++ new/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	2014-01-06 15:18:09.245881357 +0100
@@ -1006,6 +1006,9 @@
     if (UseCompressedOops && !wide) {
       __ movptr(compressed_src, src->as_register());
       __ encode_heap_oop(compressed_src);
+      if (patch_code != lir_patch_none) {
+        info->oop_map()->set_narrowoop(compressed_src->as_VMReg());
+      }
     }
 #endif
   }