https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82381
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #42286|0 |1 is obsolete| | --- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 42290 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42290&action=edit gcc8-pr82381.patch Actually better like this. The case when one SSA_NAME is (D) and the other is not still could result in transitivity problems.