http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56804
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-03 08:05:15 UTC --- (In reply to comment #6) > bash-4.1$ cat test.res > 3 > test.o 4 > 459 b27d8a298c16d07e PREVAILING_DEF_IRONLY_EXP check_vpx_codec_dec_init_ver > 475 b27d8a298c16d07e PREVAILING_DEF_IRONLY_EXP main > 463 b27d8a298c16d07e RESOLVED_IR vpx_codec_dec_init_ver > 478 b27d8a298c16d07e RESOLVED_IR vpx_codec_control_ > ./libvpx.a@0x5b54 10 Thus libvpx.a contains objects with LTO bytecode. Please make sure to re-build those as well. > 887 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_dec_init_ver > 907 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_peek_stream_info > 919 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_get_stream_info > 927 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_decode > 942 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_get_frame > 951 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_register_put_frame_cb > 962 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_register_put_slice_cb > 972 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_get_mem_map > 983 aa0ed57284137d70 PREVAILING_DEF_IRONLY_EXP vpx_codec_set_mem_map > 994 aa0ed57284137d70 RESOLVED_IR vpx_codec_destroy > ./libvpx.a@0x11d60 10 > 873 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_version > 877 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_version_str > 881 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_version_extra_str > 884 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_iface_name > 890 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_err_to_string > 900 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_error > 907 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_error_detail > 911 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_destroy > 917 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_get_caps > 923 3ff73b4c7c71e571 PREVAILING_DEF_IRONLY_EXP vpx_codec_control_ > > > bash-4.1$ nm test.o > 0000000000000000 b .bss > 0000000000000000 d .data > 0000000000000000 r .gnu.lto_.decls.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_.inline.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_.opts > 0000000000000000 r .gnu.lto_.refs.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_.symbol_nodes.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_.symtab.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_check_vpx_codec_dec_init_ver.b27d8a298c16d07e > 0000000000000000 r .gnu.lto_main.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8D_GET_FRAME_CORRUPTED.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8D_GET_LAST_REF_UPDATES.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8D_GET_LAST_REF_USED.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_COPY_REFERENCE.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_DBG_COLOR_B_MODES.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_DBG_COLOR_MB_MODES.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_DBG_COLOR_REF_FRAME.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_DBG_DISPLAY_MV.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_POSTPROC.b27d8a298c16d07e > 0000000000000000 r > .gnu.lto_vpx_codec_control_VP8_SET_REFERENCE.b27d8a298c16d07e > 0000000000000000 p .pdata > 0000000000000000 r .rdata$zzz > 0000000000000000 t .text > 0000000000000000 r .xdata > 0000000000000001 C __gnu_lto_v1 > U __main > 00000000000001c8 T check_vpx_codec_dec_init_ver > 00000000000001d5 T main > U vpx_codec_control_ > 000000000000016c t vpx_codec_control_VP8D_GET_FRAME_CORRUPTED > 000000000000013e t vpx_codec_control_VP8D_GET_LAST_REF_UPDATES > 000000000000019a t vpx_codec_control_VP8D_GET_LAST_REF_USED > 000000000000002e t vpx_codec_control_VP8_COPY_REFERENCE > 00000000000000e4 t vpx_codec_control_VP8_SET_DBG_COLOR_B_MODES > 00000000000000b7 t vpx_codec_control_VP8_SET_DBG_COLOR_MB_MODES > 000000000000008a t vpx_codec_control_VP8_SET_DBG_COLOR_REF_FRAME > 0000000000000111 t vpx_codec_control_VP8_SET_DBG_DISPLAY_MV > 000000000000005c t vpx_codec_control_VP8_SET_POSTPROC > 0000000000000000 t vpx_codec_control_VP8_SET_REFERENCE > U vpx_codec_dec_init_ver