And _of course_ I forgot to attach the file. On Thu, Oct 22, 2020 at 04:50:58PM +0900, Mike Hommey wrote: > Package: gcc-10 > Version: 10.2.0-15 > Severity: serious > > See the full buildd log in > https://buildd.debian.org/status/fetch.php?pkg=firefox-esr&arch=armhf&ver=78.4.0esr-2&stamp=1603260510&raw=0 > > The preprocessed source that fails is attached as intrapred_neon.i.gz. > > This is reproducible on armhf with: > gcc -o intrapred_neon.o -c -O1 -mfpu=neon intrapred_neon.i > > The shortened ICE message looks like: > > during RTL pass: reload > /home/glandium/firefox-esr-78.4.0esr/third_party/aom/aom_dsp/arm/intrapred_neon.c: > In function 'aom_highbd_dc_predictor_4x4_neon': > /home/glandium/firefox-esr-78.4.0esr/third_party/aom/aom_dsp/arm/intrapred_neon.c:589:188: > internal compiler error: in decompose_automod_address, at rtlanal.c:6298 > 589 | intra_pred_square(dc); > | > > ^ > 0x6cda45 decompose_automod_address > ../../src/gcc/rtlanal.c:6298 > 0x6cda45 decompose_address(address_info*, rtx_def**, machine_mode, unsigned > char, rtx_code) > ../../src/gcc/rtlanal.c:6463 > 0x6cdb19 decompose_mem_address(address_info*, rtx_def*) > ../../src/gcc/rtlanal.c:6486 > 0x59a67b process_address_1 > ../../src/gcc/lra-constraints.c:3374 > 0x59c4cd process_address > ../../src/gcc/lra-constraints.c:3648 > 0x59c4cd curr_insn_transform > ../../src/gcc/lra-constraints.c:3963 > 0x5a088f lra_constraints(bool) > ../../src/gcc/lra-constraints.c:5036 > 0x58e7a5 lra(_IO_FILE*) > ../../src/gcc/lra.c:2443 > 0x54f331 do_reload > ../../src/gcc/ira.c:5527 > 0x54f331 execute > ../../src/gcc/ira.c:5713 > Please submit a full bug report, > with preprocessed source if appropriate. > Please include the complete backtrace with any bug report. > See <file:///usr/share/doc/gcc-10/README.Bugs> for instructions. > > > The code in question hasn't changed in a long time, so the same code > effectively built fine with older versions of gcc. The last successful > builds of firefox-esr and firefox were using gcc-10_10.2.0-9. > > I see in the gcc-10 changelog there is "On armel, armhf, configure with > --enable-checking=yes,extra,rtl", this could be related. > > Mike
intrapred_neon.i.gz
Description: application/gzip
