------- Comment #2 from pinskia at gcc dot gnu dot org 2006-01-20 05:13 ------- Here is the backtrace for powerpc-darwin: #0 0x008b18e4 in df_chain_unlink (dflow=0x41e11b10, ref=0x4203f588, link=0x420410a4) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-problems.c:110 #1 0x008b1934 in df_chain_unlink (dflow=0x41e11b10, ref=0x4203f4d4, link=0x0) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-problems.c:125 #2 0x0091dd6c in df_reg_chain_unlink (dflow=0x41e11de0, ref=0x4203f4d4) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-scan.c:635 #3 0x0091e180 in df_insn_refs_delete (dflow=0x41e11de0, insn=0xbe7a50) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-scan.c:743 #4 0x0091e2c8 in df_bb_refs_delete (dflow=0x41e11de0, bb_index=6) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-scan.c:768 #5 0x0091cefc in df_scan_free_bb_info (dflow=0x41e11de0, bb=0xbd7d68, vbb_info=0x42026448) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-scan.c:189 #6 0x008ae3f0 in df_set_blocks (df=0x41e1b070, blocks=0x42026db4) at /Users/pinskia/src/gcc/alias/gcc/gcc/df-core.c:373 #7 0x00676868 in iv_analysis_loop_init (loop=0x41e1aff0) at /Users/pinskia/src/gcc/alias/gcc/gcc/loop-iv.c:267 #8 0x006373a4 in predict_loops (loops_info=0xbffff670, rtlsimpleloops=1 '\001') at /Users/pinskia/src/gcc/alias/gcc/gcc/predict.c:618 #9 0x00637f80 in estimate_probability (loops_info=0xbffff670) at /Users/pinskia/src/gcc/alias/gcc/gcc/predict.c:842
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25869
