2017-01-26 Richard Biener <rguenther@suse.de> Backport from mainline 2016-09-03 Kirill Yukhin <kirill.yukhin@intel.com> * ubsan.c (ubsan_use_new_style_p): Fix check for empty string. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@244923 138bc75d-0d04-0410-961f-82ee72b054a4