On a system freshly recompiled with sys-devel/gcc-12.1.1_p20220625, even with LTO off and dev-libs/icu-71.1-r1 recompiled without LTO emerging GCC 11.3.0 ends with: libtool: link: /usr/x86_64-pc-linux-gnu/bin/ranlib .libs/libstdc++convenience.a libtool: link: rm -fr .libs/libstdc++convenience.lax .libs/libstdc++convenience.lax libtool: link: ( cd ".libs" && rm -f "libstdc++convenience.la" && ln -s "../libstdc++convenience.la" "libstdc++convenience.la" ) make[6]: Leaving directory '/var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/src' Making all in doc make[5]: Nothing to be done for 'all'. Making all in po make[5]: Entering directory '/var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/po' msgfmt -o de.mo /var/tmp/portage/sys-devel/gcc-11.3.0/work/gcc-11.3.0/libstdc++-v3/po/de.po msgfmt: /var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib64/libicuuc.so.71) make[5]: *** [Makefile:556: de.mo] Error 1 make[5]: Leaving directory '/var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/po' make[5]: *** Waiting for unfinished jobs.... make[5]: Entering directory '/var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/po' msgfmt -o fr.mo /var/tmp/portage/sys-devel/gcc-11.3.0/work/gcc-11.3.0/libstdc++-v3/po/fr.po msgfmt: /var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib64/libicuuc.so.71) make[5]: *** [Makefile:556: fr.mo] Error 1 make[5]: Leaving directory '/var/tmp/portage/sys-devel/gcc-11.3.0/work/build/x86_64-pc-linux-gnu/libstdc++-v3/po' make[4]: *** [Makefile:568: all-recursive] Error 1 make[3]: *** [Makefile:493: all] Error 2 make[2]: *** [Makefile:17288: all-stage1-target-libstdc++-v3] Error 2 make[1]: *** [Makefile:26677: stage1-bubble] Error 2 make: *** [Makefile:27025: bootstrap-lean] Error 2
Might be related to bug #840014 ?
Created attachment 789392 [details] gcc-build-logs.tar.bz2
*** This bug has been marked as a duplicate of bug 843119 ***