https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58315
--- Comment #15 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- And annoyingly, even stuff as repetitive like this (notice, the same exact `di' register, no offset or anything): (note 11470254 74094 11470255 6371 (var_location this(0x7fffeeac8bd0) (reg:DI 5 di [17204])) NO TE_INSN_VAR_LOCATION) (note 11470255 11470254 11470256 6371 (var_location this(0x7fffe72233f0) (reg:DI 5 di [17204])) NOTE_INSN_VAR_LOCATION) (note 11470256 11470255 11470257 6371 (var_location this(0x7fffe7223510) (reg:DI 5 di [17204])) NOTE_INSN_VAR_LOCATION) (note 11470257 11470256 11470258 6371 (var_location this(0x7fffe7223a20) (reg:DI 5 di [17204])) NOTE_INSN_VAR_LOCATION) (note 11470258 11470257 11470259 6371 (var_location this(0x7fffe7223ab0) (reg:DI 5 di [17204])) NOTE_INSN_VAR_LOCATION) ... ... 1300 more of these.