--- Begin Message ---
- To: Debian Bug Tracking System <submit@bugs.debian.org>
- Subject: ICE building firefox-esr/firefox in unstable on armhf
- From: Mike Hommey <mh+reportbug@glandium.org>
- Date: Thu, 22 Oct 2020 16:50:58 +0900
- Message-id: <160335305858.89370.4095711741833208861.reportbug@goemon>
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
--- End Message ---
--- Begin Message ---
Source: gcc-10
Source-Version: 10.2.0-18
Done: Matthias Klose <doko@debian.org>
We believe that the bug you reported is fixed in the latest version of
gcc-10, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 972665@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Matthias Klose <doko@debian.org> (supplier of updated gcc-10 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Thu, 19 Nov 2020 00:26:55 +0100
Source: gcc-10
Architecture: source
Version: 10.2.0-18
Distribution: unstable
Urgency: medium
Maintainer: Debian GCC Maintainers <debian-gcc@lists.debian.org>
Changed-By: Matthias Klose <doko@debian.org>
Closes: 972665
Changes:
gcc-10 (10.2.0-18) unstable; urgency=medium
.
* Update to git 20201118 from the gcc-10 branch.
- Fix PR target/97535 (AArch64), PR target/97682 (RISCV), PR c/97748,
PR c++/97790, PR c/97748, PR c++/67453, PR c++/97663, PR fortran/97782,
PR fortran/95847, PR fortran/97768, PR libstdc++/97828,
PR libstdc++/93456, PR libstdc++/97798, PR libstdc++/96042,
PR libstdc++/96042, PR libstdc++/96042.
* Update VCS attributes.
* Add an autopkg test for linking libphobos.
* Build the gcn offload compiler using LLVM 11, and work around the
broken as in LLVM 11. See also LLVM Bug 48201 for this issue and
https://reviews.llvm.org/D73999 for the patch causing the issue.
* Fix PR target/97528, proposed patch. Closes: #972665.
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