Ubuntu
gcc-9 package

newer gcc packages in toolchain ppa broke ubsan

Bug #1896458 reported by Serhii Pavlovskyi on 2020-09-21

This bug affects 1 person

	Status	Importance	Assigned to
gcc-9 (Ubuntu)	Fix Released	Undecided	Unassigned
Focal	Fix Released	Undecided	Unassigned
Groovy	Fix Committed	Undecided	Unassigned

Bug Description

$ gcc -fsanitize=undefined /dev/null
/usr/bin/ld: unrecognized option '--push-state--no-as-needed'
/usr/bin/ld: use the --help option for usage information
collect2: error: ld returned 1 exit status
$ gcc-9 -fsanitize=undefined /dev/null
/usr/bin/ld: unrecognized option '--push-state--no-as-needed'
/usr/bin/ld: use the --help option for usage information
collect2: error: ld returned 1 exit status
$ gcc -static-libubsan -fsanitize=undefined /dev/null
/dev/null: file not recognized: File truncated
collect2: error: ld returned 1 exit status
$ gcc --version
gcc (Ubuntu 5.5.0-12ubuntu1~16.04) 5.5.0 20171010
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ gcc-9 --version
gcc-9 (Ubuntu 9.3.0-10ubuntu2~16.04) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
==========================
the issue is caused by
$ gcc -dumpspecs | grep push
%{static|static-libgcc:-lgcc -lgcc_eh}%{!static:%{!static-libgcc:%{!shared-libgcc:-lgcc --push-state --as-needed -lgcc_s --pop-state}%{shared-libgcc:-lgcc_s%{!shared: -lgcc}}}}
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S: %(linker) %{!fno-use-linker-plugin:%{!fno-lto: -plugin %(linker_plugin_file) -plugin-opt=%(lto_wrapper) -plugin-opt=-fresolution=%u.res %{!nostdlib:%{!nodefaultlibs:%:pass-through-libs(%(link_gcc_c_sequence))}} }}%{flto|flto=*:%<fcompare-debug*} %{flto} %{fno-lto} %{flto=*} %l %{no-pie:} %{pie:-pie} %{fuse-ld=*:-fuse-ld=%*} %{gz*:%e-gz is not supported in this configuration} -z relro %X %{o*} %{e*} %{N} %{n} %{r} %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} %{!nostdlib:%{fvtable-verify=std: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end} %{fvtable-verify=preinit: -lvtv -u_vtable_map_vars_start -u_vtable_map_vars_end}} %{static:} %{L*} %(mfwrap) %(link_libgcc) %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address):%{!shared:libasan_preinit%O%s} %{static-libasan:%{!shared:-Bstatic --whole-archive -lasan --no-whole-archive -Bdynamic}}%{!static-libasan:%{!fuse-ld=gold:--push-state} --no-as-needed -lasan %{fuse-ld=gold:--as-needed;:--pop-state}}} %{%:sanitize(thread):%{static-libtsan:%{!shared:-Bstatic --whole-archive -ltsan --no-whole-archive -Bdynamic}}%{!static-libtsan:%{!fuse-ld=gold:--push-state} --no-as-needed -ltsan %{fuse-ld=gold:--as-needed;:--pop-state}}} %{%:sanitize(leak):%{static-liblsan:%{!shared:-Bstatic --whole-archive -llsan --no-whole-archive -Bdynamic}}%{!static-liblsan:%{!fuse-ld=gold:--push-state} --no-as-needed -llsan %{fuse-ld=gold:--as-needed;:--pop-state}}}}} %o %{!nostdlib:%{!nodefaultlibs:%{mmpx:%{fcheck-pointer-bounds: %{static:--whole-archive -lmpx --no-whole-archive %:include(libmpx.spec)%(link_libmpx)} %{!static:%{static-libmpx:-Bstatic --whole-archive} %{!static-libmpx:--push-state --no-as-needed} -lmpx %{!static-libmpx:--pop-state} %{static-libmpx:--no-whole-archive -Bdynamic %:include(libmpx.spec)%(link_libmpx)}}}}%{mmpx:%{fcheck-pointer-bounds:%{!fno-chkp-use-wrappers: %{static:-lmpxwrappers} %{!static:%{static-libmpxwrappers:-Bstatic} -lmpxwrappers %{static-libmpxwrappers: -Bdynamic}}}}}}} %{mmpx:%{fcheck-pointer-bounds:%{!static:%:include(libmpx.spec)%(link_mpx)}}} %{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)} %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)} %{fgnu-tm:%:include(libitm.spec)%(link_itm)} %(mflib) %{fsplit-stack: --wrap=pthread_create} %{fprofile-arcs|fprofile-generate*|coverage:-lgcov} %{!nostdlib:%{!nodefaultlibs:%{%:sanitize(address): %{static-libasan:%:include(libsanitizer.spec)%(link_libasan)} %{static:%ecannot specify -static with -fsanitize=address}} %{%:sanitize(thread): %{static-libtsan:%:include(libsanitizer.spec)%(link_libtsan)} %{static:%ecannot specify -static with -fsanitize=thread}} %{%:sanitize(undefined):%{static-libubsan:-Bstatic} %{!static-libubsan:%{!fuse-ld=gold:--push-state }--no-as-needed} -lubsan %{static-libubsan:-Bdynamic} %{!static-libubsan:%{fuse-ld=gold:--as-needed;:--pop-state}} %{static-libubsan:%:include(libsanitizer.spec)%(link_libubsan)}} %{%:sanitize(leak): %{static-liblsan:%:include(libsanitizer.spec)%(link_liblsan)}}}} %{!nostdlib:%{!nodefaultlibs:%(link_ssp) %(link_gcc_c_sequence)}} %{!nostdlib:%{!nostartfiles:%E}} %{T*} }}}}}}
================
specifically by
%{!static-libubsan:%{!fuse-ld=gold:--push-state }--no-as-needed}
with space on wrong side of closing brace

Tags:

Revision history for this message

Matthias Klose (doko) wrote on 2021-03-11:

now fixed in the PPA

Changed in gcc-9 (Ubuntu):
status:	New → Fix Released

Revision history for this message

Łukasz Zemczak (sil2100) wrote on 2021-06-09: Please test proposed package

Hello Serhii, or anyone else affected,

Accepted gcc-10 into groovy-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gcc-10/10.3.0-1ubuntu1~20.10 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-groovy to verification-done-groovy. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-groovy. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

tags:

added: verification-needed verification-needed-groovy

Revision history for this message

Łukasz Zemczak (sil2100) wrote on 2021-06-09:

Hello Serhii, or anyone else affected,

Accepted gcc-9 into groovy-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gcc-9/9.4.0-1ubuntu1~20.10 in a few hours, and then in the -proposed repository.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Changed in gcc-9 (Ubuntu Groovy):
status:	New → Fix Committed

Revision history for this message

Łukasz Zemczak (sil2100) wrote on 2021-06-14:

Hello Serhii, or anyone else affected,

Accepted gcc-10 into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gcc-10/10.3.0-1ubuntu1~20.04 in a few hours, and then in the -proposed repository.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

tags:

added: verification-needed-focal

Revision history for this message

Łukasz Zemczak (sil2100) wrote on 2021-11-08:

Hello Serhii, or anyone else affected,

Accepted gcc-9 into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gcc-9/9.4.0-1ubuntu1~20.04 in a few hours, and then in the -proposed repository.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Changed in gcc-9 (Ubuntu Focal):
status:	New → Fix Committed

Revision history for this message

Brian Murray (brian-murray) wrote on 2022-02-07: [gcc-9/focal] verification still needed

The fix for this bug has been awaiting testing feedback in the -proposed repository for focal for more than 90 days. Please test this fix and update the bug appropriately with the results. In the event that the fix for this bug is still not verified 15 days from now, the package will be removed from the -proposed repository.

tags:

added: removal-candidate

Revision history for this message

Launchpad Janitor (janitor) wrote on 2022-03-07:

Download full text (11.3 KiB)

This bug was fixed in the package gcc-9 - 9.4.0-1ubuntu1~20.04

---------------
gcc-9 (9.4.0-1ubuntu1~20.04) focal-proposed; urgency=medium

* SRU: LP: #1930125. Update to the GCC 9.4.0 release.

gcc-9 (9.4.0-1ubuntu1) impish; urgency=medium

* GCC 9.4.0 release.

gcc-9 (9.4.0-1) unstable; urgency=medium

* GCC 9.4.0 release.
* Refresh patches.

gcc-9 (9.3.0-26ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
- Build from upstream sources.

gcc-9 (9.3.0-26) experimental; urgency=medium

  * GCC 9.4.0 release candidate 2.
  * Update to git 20210527 from the gcc-9 branch.
    - Fix PR c++/97938, PR c++/52625, PR c++/80456, PR sanitizer/100379,
      PR c++/100797, PR c++/95719.
  * Drop the PR bootstrap/87338 patch, applied upstream.

gcc-9 (9.3.0-25ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
- Build from upstream sources.

gcc-9 (9.3.0-25) experimental; urgency=medium

  * GCC 9.4.0 release candidate.
  * Update to git 20210519 from the gcc-9 branch.
    - Fix PR target/97865 (Darwin), PR target/44107 (Darwin),
      PR target/48097 (Darwin), PR tree-optimization/92608, PR bootstrap/87338,
      PR target/100182 (x86), PR tree-optimization/99954,
      PR rtl-optimization/99929, PR target/98136 (AArch64),
      PR rtl-optimization/96796, PR tree-optimization/98302,
      PR middle-end/95694, PR c++/95719, PR fortran/100154,
      PR target/98952 (PPC), PR libstdc++/100259, PR target/99988 (AArch64),
      PR target/99037 (AArch64), PR target/100441 (AArch64),
      PR rtl-optimization/100225, PR rtl-optimization/84878,
      PR target/100402 (x86), PR rtl-optimization/100263,
      PR tree-optimization/98786, PR rtl-optimization/100230,
      PR tree-optimization/100053, PR rtl-optimization/98144,
      PR target/100375 (nvptx), PR target/100302 (AArch64),
      PR rtl-optimization/100254, PR debug/100255, PR rtl-optimization/100148,
      PR tree-optimization/91914, PR fortran/100274, PR c/100450,
      PR rtl-optimization/80960, PR tree-optimization/96513,
      PR tree-optimization/96597, PR tree-optimization/88240,
      PR tree-optimization/100566.
  * Fix running the libstdc++-v3 tests against the installed libstdc++6,
    when the libstdc++6 package is not built from this source.
  * Don't apply the arm-multilib-soft patch when building without
    armhf/armsf multilib packages.

gcc-9 (9.3.0-24ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
- Build from upstream sources.

gcc-9 (9.3.0-24) experimental; urgency=medium

This bug was fixed in the package gcc-9 - 9.4.0-1ubuntu1~20.04

---------------
gcc-9 (9.4.0-1ubuntu1~20.04) focal-proposed; urgency=medium

* SRU: LP: #1930125. Update to the GCC 9.4.0 release.

gcc-9 (9.4.0-1ubuntu1) impish; urgency=medium

* GCC 9.4.0 release.

gcc-9 (9.4.0-1) unstable; urgency=medium

* GCC 9.4.0 release.
  * Refresh patches.

gcc-9 (9.3.0-26ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-9 (9.3.0-26) experimental; urgency=medium

gcc-9 (9.3.0-25ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-9 (9.3.0-25) experimental; urgency=medium

gcc-9 (9.3.0-24ubuntu1) impish; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-9 (9.3.0-24) experimental; urgency=medium

* Update to git 20210422 from the gcc-9 branch.
    - Fix PR driver/47785, PR tree-optimization/99694, PR c/99224, PR lto/96591,
      PR tree-optimization/97009, PR tree-optimization/99856, PR ipa/99466,
      PR target/97329 (PPC), PR target/99704 (x86), PR target/99702 (RISCV),
      PR ipa/98078, PR tree-optimization/98758, PR tree-optimization/98282,
      PR tree-optimization/93964, PR fortran/99840, PR fortran/99688,
      PR fortran/99545, PR lto/96385, PR bootstrap/99983, PR libstdc++/99985,
      PR libstdc++/96029, PR libstdc++/96029, PR target/99767, PR lto/99849,
      PR rtl-optimization/99905, PR debug/99830, PR rtl-optimization/98601,
      PR rtl-optimization/99863, PR tree-optimization/99777, PR debug/99334,
      PR debug/99388, PR target/99542 (AArch64), PR middle-end/93235,
      PR tree-optimization/99225, PR tree-optimization/99204, PR ipa/99034,
      PR tree-optimization/99079, PR c++/99035, PR middle-end/99007,
      PR middle-end/97487, PR middle-end/97971, PR debug/98331,
      PR target/98853 (AArch64), PR target/98681 (AArch64), PR testsuite/97301,
      PR tree-optimization/90248, PR c++/98556, PR tree-optimization/98474,
      PR c++/98353, PR middle-end/98183, PR middle-end/98205, PR c/99324,
      PR target/98100, PR target/98063 (x86), PR debug/97599, PR c++/98187,
      PR rtl-optimization/97386, PR sanitizer/97294, PR c/99990, PR c/99588,
      PR c/99136, PR c/97958, PR c++/95468, PR c++/96282, PR c++/64194,
      PR c++/99833, PR c++/99790, PR c++/99745, PR c++/99650, PR c++/99613,
      PR c++/82959, PR c++/95451, PR sanitizer/99106, PR c++/99033,
      PR c++/97878, PR c++/33661, PR c++/98847, PR sanitizer/95693,
      PR c++/98672, PR c++/98187, PR c++/98072, PR c++/97663, PR d/98457,
      PR jit/100096, PR bootstrap/97163, PR sanitizer/100114,
      PR libstdc++/100180, PR libstdc++/99181, PR libstdc++/99181,
      PR libstdc++/90945, PR libstdc++/94854, PR libstdc++/99533,
      PR libstdc++/99536, PR libstdc++/82584, PR libstdc++/99805,
      PR libstdc++/97362, PR libstdc++/97570, PR libstdc++/98319,
      PR libstdc++/99077, PR libstdc++/99058.
  * Fix PR sanitizer/100114, taken from the trunk.
  * Starting with Ubuntu impish, don't build arm multilib packages.

gcc-9 (9.3.0-23ubuntu2) hirsute; urgency=medium

* Update to git 20210416 from the gcc-9 branch.
    - Fix PR driver/47785, PR tree-optimization/99694, PR c/99224, PR lto/96591,
      PR tree-optimization/97009, PR tree-optimization/99856, PR ipa/99466,
      PR target/97329 (PPC), PR target/99704 (x86), PR target/99702 (RISCV),
      PR ipa/98078, PR tree-optimization/98758, PR tree-optimization/98282,
      PR tree-optimization/93964, PR fortran/99840, PR fortran/99688,
      PR fortran/99545, PR lto/96385, PR bootstrap/99983, PR libstdc++/99985,
      PR libstdc++/96029, PR libstdc++/96029.

gcc-9 (9.3.0-23ubuntu1) hirsute; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-9 (9.3.0-23) experimental; urgency=medium

* Update to git 20210316 from the gcc-9 branch.
    - Fix PR go/99458, PR target/85074 (PA), PR target/99234 (x86),
      PR target/99234 (x86), PR ada/99264, PR c/99137, PR c++/98810,
      PR c++/95675, PR c++/90333, PR d/99337, PR fortran/99124,
      PR fortran/99060, PR libfortran/99218, PR fortran/99545.
  * Don't strip the sanitizer libraries, these are only used for debugging.
    LP: #1894166.
  * Fix --as-needed specs for -fsanitize=* options for backports.
    LP: #1896458.
  * Revert the PR ada/99264 fix, causing an ABI breakage in libgnat.
  * debian/ada/check_ali_update.sh: Fix syntax errors.
    Always run the script.
  * Fix lib*gcc* dependencies for backports.

gcc-9 (9.3.0-22) unstable; urgency=medium

* Update to git 20210207 from the gcc-9 branch.
    - Fix PR tree-optimization/97236, PR target/97528 (ARM), PR d/98921.
  * Revert the fix for PR c++/95158, causing PR target/98032.

gcc-9 (9.3.0-21ubuntu1) hirsute; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.
   - Revert the fix for PR c++/95158, causing PR target/98032.

gcc-9 (9.3.0-21) unstable; urgency=medium

* Update to git 20210202 from the gcc-9 branch.
    - Fix PR lto/85574, PR tree-optimization/97627, PR target/98618 (AArch64),
      PR ada/98228, PR ada/98740, PR c++/63707, PR fortran/86470,
      PR fortran/98517, PR fortran/93833, PR fortran/98022, PR fortran/98022,
      PR fortran/91640, PR libgomp/65099, PR d/98806, PR d/98921,
      PR libstdc++/98605, PR libstdc++/96083, PR libstdc++/65480,
      PR libstdc++/68735, PR libstdc++/91997.
  * Fix PR target/97528, taken from the gcc-10 branch.
  * PR sanitizer/98699: Don't enable --as-needed with -fsanitize=* options.
  * Use --push-state/--pop-state for gold everywhere.
  * Explicitly use autoconf2.69 when available.

gcc-9 (9.3.0-20) unstable; urgency=medium

* Update to git 20210110 from the gcc-9 branch.
    - Fix PR testsuite/90806, PR target/96793 (x86), PR target/96793 (x86),
      PR rtl-optimization/97421, PR target/96793 (x86), PR target/98086 (x86),
      PR tree-optimization/96075, PR middle-end/96369, PR middle-end/97554,
      PR tree-optimization/97812, PR tree-optimization/97255,
      PR tree-optimization/97081, PR tree-optimization/96579,
      PR tree-optimization/96370, PR tree-optimization/96514,
      PR target/97939 (SPARC), PR target/96607 (SPARC), PR ada/98230,
      PR d/98277, PR fortran/96325, PR fortran/83118, PR fortran/96012,
      PR fortran/92587, PR fortran/96320, PR fortran/94246, PR fortran/96100,
      PR fortran/96101, PR fortran/98307, PR fortran/95342, PR libstdc++/98001.

gcc-9 (9.3.0-19ubuntu2) hirsute; urgency=medium

* Revert the fix for PR c++/95158, causing PR target/98032.

gcc-9 (9.3.0-19ubuntu1) hirsute; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-9 (9.3.0-19) unstable; urgency=medium

* Update to git 20201125 from the gcc-9 branch.
    - Fix PR c/96545, PR middle-end/95903, PR c/94755, PR c++/97918,
      PR target/97535 (AArch64), PR target/97682 (RISCV), PR target/97685 (x86),
      PR rtl-optimization/97439, PR ipa/97404, PR ipa/97295, PR ipa/97295,
      PR target/97349 (AArch64), PR target/97150 (AArch64),
      PR target/96313 (AArch64), PR gcov-profile/97193, PR gcov-profile/64636,
      PR gcov-profile/97069, PR target/97184 (x86), PR target/71233 (AArch64),
      PR middle-end/97073, PR target/97032 (x86), PR tree-optimization/97053,
      PR target/94710 (PPC), PR debug/96729, PR tree-optimization/96722,
      PR fortran/93553, PR middle-end/96459, PR middle-end/96426,
      PR target/96174 (x86), PR tree-optimization/95857, PR middle-end/95810,
      PR middle-end/95108, PR debug/95080, PR target/9495 (RISCV),
      PR rtl-optimization/94873, PR target/94832 (x86), PR target/94826 (PPC),
      PR target/94820 (AArch64), PR tree-optimization/94809,
      PR target/94780 (x86), PR target/94710, PR c/94705, PR c/94641,
      PR rtl-optimization/94618, PR tree-optimization/94621,
      PR bootstrap/89494, PR tree-optimization/94524, PR target/94438 (x86),
      PR target/97028 (x86), PR ipa/94947, PR middle-end/94964,
      PR tree-optimization/95049, PR tree-optimization/95133,
      PR tree-optimization/95717,
      PR c++/95158, PR c++/88115, PR libstdc++/97273, PR c++/96862,
      PR c++/95328, PR c++/94951, PR c++/94742, PR c++/94571, PR c++/94325,
      PR target/85486, PR fortran/93553, PR middle-end/96459,
      PR libstdc++/94936, PR libstdc++/97798, PR libstdc++/97731,
      PR libstdc++/97132, PR libstdc++/97167, PR libstdc++/96803,
      PR libstdc++/96803, PR libstdc++/92978, PR libstdc++/94681,
      PR libstdc++/94681, PR libstdc++/97101, PR libstdc++/94160,
      PR fortran/95847, PR fortran/97652, PR fortran/97272, PR fortran/95614,
      PR fortran/95614, PR fortran/96041, PR fortran/93423, PR target/85486,
      PR fortran/93553, PR middle-end/96459.
  * Bump standards version.

gcc-9 (9.3.0-18ubuntu1) groovy; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.
    - Disable the LTO build on arm64, armhf for now, takes 24+ hours ...
  * Update to git 20200914 from the gcc-9 branch.
    - Fix PR ipa/94947, PR middle-end/94964, PR tree-optimization/95049,
      PR tree-optimization/95133, PR tree-optimization/95717,
      PR libstdc++/94033.

gcc-9 (9.3.0-18) unstable; urgency=medium

* Update to git 20200911 from the gcc-9 branch.
    - Fix PR target/92923 (PPC), PR fortran/95882, PR fortran/96486,
      PR libstdc++/89510, PR libstdc++/71960, PR libstdc++/96766,
      PR libstdc++/89760, PR libstdc++/95749.

gcc-9 (9.3.0-17ubuntu1) groovy; urgency=medium

* Merge with Debian; remaining changes:
    - Build from upstream sources.
    - Disable the LTO build on arm64, armhf for now, takes 24+ hours ...

-- Matthias Klose <doko@ubuntu.com>  Tue, 01 Jun 2021 13:16:34 +0200

Changed in gcc-9 (Ubuntu Focal):
status:	Fix Committed → Fix Released

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Ubuntugcc-9 package

newer gcc packages in toolchain ppa broke ubsan

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gcc-9 package