http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60655
--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 32565 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32565&action=edit gcc49-pr60655.patch Alternate fix, the issue on the non-fdata-sections testcase is that we have (note 226 225 227 (var_location rx (plus:SI (plus:SI (reg:SI 3 r3 [orig:192 ivtmp.37 ] [192]) (symbol_ref:SI ("*.LANCHOR0") [flags 0x182])) (const:SI (minus:SI (const_int 323 [0x143]) (symbol_ref:SI ("*.LANCHOR0") [flags 0x182]))))) NOTE_INSN_VAR_LOCATION) which hasn't been simplified into %r3+323. I think this patch is the right thing to do, but it is probably too risky for 4.9 now, too many targets do too weird things, especially for -fpic. Perhaps if we had a flag (global for 4.9) we are in var-tracking pass (guess current_pass && strcmp (current_pass->name, "vartrack") == 0 would be way too ugly), it might be safe to do that only for var-tracking and for 5.0 enable it unconditionally.
