2013-11-27  Marek Polacek  <polacek@redhat.com>

	* ubsan.c (ubsan_type_descriptor): If varpool_get_node returns NULL
	for a decl, recreate that decl.  Save into the hash table VAR_DECLs
	rather than ADDR_EXPRs.
testsuite/
	* c-c++-common/ubsan/undefined-1.c: New test.

From-SVN: r205433