https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105695
Bug ID: 105695
Summary: GCC 10.3.1 (20220519) build failure with GCC 12
Product: gcc
Version: 10.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libcc1
Assignee: unassigned at gcc dot gnu.org
Reporter: sam at gentoo dot org
Target Milestone: ---
Created attachment 53016
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53016&action=edit
build.log.xz
```
/bin/bash ./libtool --tag=CXX --mode=compile x86_64-pc-linux-gnu-g++
-std=gnu++98 -DHAVE_CONFIG_H -I.
-I/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../include
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../libgcc
-I ../gcc
-I/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/c-family
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../libcpp/include
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/c
-W -Wall -fvisibility=hidden -pipe -march=native -fdiagnostics-color=always
-D_GLIBCXX_ASSERTIONS -ggdb3 -O2 -MT libcc1plugin.lo -MD -MP -MF
.deps/libcc1plugin.Tpo -c -o libcc1plugin.lo
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/libcc1plugin.cc
libtool: compile: x86_64-pc-linux-gnu-g++ -std=gnu++98 -DHAVE_CONFIG_H -I.
-I/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../include
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../libgcc
-I ../gcc
-I/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/c-family
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../libcpp/include
-I
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/c
-W -Wall -fvisibility=hidden -pipe -march=native -fdiagnostics-color=always
-D_GLIBCXX_ASSERTIONS -ggdb3 -O2 -MT libcc1plugin.lo -MD -MP -MF
.deps/libcc1plugin.Tpo -c
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/libcc1plugin.cc
-fPIC -DPIC -o .libs/libcc1plugin.o
In file included from
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/hash-table.h:248,
from
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/coretypes.h:461,
from
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/gcc-plugin.h:29,
from
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/libcc1plugin.cc:34:
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/vec.h:
In member function ‘void vec<T>::reverse()’:
/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/gcc-10-20220519/libcc1/../gcc/vec.h:2086:10:
error: ‘swap’ is not a member of ‘std’
2086 | std::swap (ptr[i], ptr[l - i - 1]);
| ^~~~
make[2]: *** [Makefile:600: libcc1plugin.lo] Error 1
make[2]: Leaving directory
'/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/build/libcc1'
make[1]: *** [Makefile:14552: install-libcc1] Error 2
make[1]: Leaving directory
'/var/tmp/portage.notmp/portage/sys-devel/gcc-10.3.1_p20220519/work/build'
make: *** [Makefile:2438: install] Error 2
* ERROR: sys-devel/gcc-10.3.1_p20220519::gentoo failed (install phase):
```
I've attached the full log (xz compressed b/c of size).
```
$ gcc --version
gcc (Gentoo Hardened 12.1.1_p20220521 p5) 12.1.1 20220521
Copyright (C) 2022 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.
```
