--- old/src/cpu/zero/vm/icBuffer_zero.cpp	2013-08-19 16:51:13.000000000 -0700
+++ new/src/cpu/zero/vm/icBuffer_zero.cpp	2013-08-19 16:51:13.000000000 -0700
@@ -49,8 +49,10 @@
 address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) {
   // NB ic_stub_code_size() must return the size of the code we generate
   ShouldNotCallThis();
+  return NULL;
 }
 
 void* InlineCacheBuffer::ic_buffer_cached_value(address code_begin) {
   ShouldNotCallThis();
+  return NULL;
 }