https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91265
--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- Fixed with r273875: 2019-07-29 Martin Liska <mli...@suse.cz> * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove LHS of operator new call. It's handled latter.