https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61360
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail|4.10.0 |5.0 --- Comment #10 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (In reply to GGanesh from comment #9) > Patch that fixes this issue has been submitted > https://gcc.gnu.org/ml/gcc-patches/2014-08/msg02179.html > > The idea is to prohibit changes to the "enabled" attribute during lra and > reload pass. I've tested your patch, but unfortunately gcc still ICEs (during Firefox LTO build with -march=native on ancient Phenom II X4): /var/tmp/mozilla-central/dom/mathml/nsMathMLElement.h: In member function ‘GetClientTop’: /var/tmp/mozilla-central/dom/mathml/nsMathMLElement.h:42:0: internal compiler error: in lra_update_insn_recog_data, at lra.c:1221 NS_FORWARD_NSIDOMELEMENT_TO_GENERIC ^ 0x8136bc lra_update_insn_recog_data(rtx_insn*) ../../gcc/gcc/lra.c:1220 0x82a705 eliminate_regs_in_insn ../../gcc/gcc/lra-eliminations.c:1077 0x82a705 process_insn_for_elimination ../../gcc/gcc/lra-eliminations.c:1344 0x82a705 lra_eliminate(bool, bool) ../../gcc/gcc/lra-eliminations.c:1408 0x8247b0 lra_constraints(bool) ../../gcc/gcc/lra-constraints.c:4040 0x815001 lra(_IO_FILE*) ../../gcc/gcc/lra.c:2193 0x7d3406 do_reload ../../gcc/gcc/ira.c:5310 0x7d3406 execute ../../gcc/gcc/ira.c:5469 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report.