https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61360
--- Comment #11 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. Here's a small testcase that still ICE's even with your patch applied: % cat utils.i int a, b, c, e, f, g, h; long *d; __attribute__((cold)) void fn1() { int i = g | 1; for (; g; h++) { for (; a; e++) d[0] = c; if (0.002 * i) break; for (; b; f++) d[h] = 0; } } % gcc -march=amdfam10 -O2 -c utils.i utils.i: In function ‘fn1’: utils.i:10:1: internal compiler error: in lra_update_insn_recog_data, at lra.c:1223 } ^ 0x8ddb6c lra_update_insn_recog_data(rtx_insn*) ../../gcc/gcc/lra.c:1222 0x8f4595 eliminate_regs_in_insn ../../gcc/gcc/lra-eliminations.c:1077 0x8f4595 process_insn_for_elimination ../../gcc/gcc/lra-eliminations.c:1344 0x8f4595 lra_eliminate(bool, bool) ../../gcc/gcc/lra-eliminations.c:1408 0x8df81e lra(_IO_FILE*) ../../gcc/gcc/lra.c:2278 0x89ddf6 do_reload ../../gcc/gcc/ira.c:5311 0x89ddf6 execute ../../gcc/gcc/ira.c:5470 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions.
