Control: reassign -1 libc6.1-dev 2.36-5 Looks like the issue is not fixed on ia64 / sparc64.
Steps: % cat p.cxx #include <stdio.h> int main() { return 0; } Lead to: malat@yttrium ~ % /usr/lib/gcc-snapshot/bin/g++ -v p.cxx Using built-in specs. COLLECT_GCC=/usr/lib/gcc-snapshot/bin/g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc-snapshot/libexec/gcc/ia64-linux-gnu/13/lto-wrapper Target: ia64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 20221021-1' --with-bugurl=file:///usr/share/doc/gcc-snapshot/README.Bugs --enable-languages=c,c++,go,fortran,objc,obj-c++,m2 --prefix=/usr/lib/gcc-snapshot --with-gcc-major-version-only --program-prefix= --enable-shared --enable-linker-build-id --disable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libssp --disable-libitm --disable-libsanitizer --enable-plugin --with-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-system-libunwind --enable-checking=yes --build=ia64-linux-gnu --host=ia64-linux-gnu --target=ia64-linux-gnu Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20221021 (experimental) [master r13-3434-ga9de836c2b2] (Debian 20221021-1) COLLECT_GCC_OPTIONS='-v' '-shared-libgcc' '-dumpdir' 'a-' /usr/lib/gcc-snapshot/libexec/gcc/ia64-linux-gnu/13/cc1plus -quiet -v -imultilib . -imultiarch ia64-linux-gnu -D_GNU_SOURCE p.cxx -quiet -dumpdir a- -dumpbase p.cxx -dumpbase-ext .cxx -version -o /tmp/ccMCj3Mu.s GNU C++17 (Debian 20221021-1) version 13.0.0 20221021 (experimental) [master r13-3434-ga9de836c2b2] (ia64-linux-gnu) compiled by GNU C version 13.0.0 20221021 (experimental) [master r13-3434-ga9de836c2b2], GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.1, isl version isl-0.25-GMP warning: MPFR header version 4.1.0 differs from library version 4.2.0. warning: MPC header version 1.2.1 differs from library version 1.3.1. GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/usr/local/include/ia64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/include-fixed/ia64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/include-fixed" ignoring nonexistent directory "/usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/../../../../ia64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/../../../../include/c++/13 /usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/../../../../include/c++/13/ia64-linux-gnu/. /usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/../../../../include/c++/13/backward /usr/lib/gcc-snapshot/lib/gcc/ia64-linux-gnu/13/include /usr/local/include /usr/lib/gcc-snapshot/include /usr/include/ia64-linux-gnu /usr/include End of search list. GNU C++17 (Debian 20221021-1) version 13.0.0 20221021 (experimental) [master r13-3434-ga9de836c2b2] (ia64-linux-gnu) compiled by GNU C version 13.0.0 20221021 (experimental) [master r13-3434-ga9de836c2b2], GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.1, isl version isl-0.25-GMP warning: MPFR header version 4.1.0 differs from library version 4.2.0. warning: MPC header version 1.2.1 differs from library version 1.3.1. GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 46cce3a938a51610ba7278d8fb426d84 In file included from /usr/include/stdio.h:430, from p.cxx:1: /usr/include/ia64-linux-gnu/bits/floatn.h:84:9: error: multiple types in one declaration 84 | typedef __float128 _Float128; | ^~~~~~~~~~ /usr/include/ia64-linux-gnu/bits/floatn.h:84:20: error: declaration does not declare anything [-fpermissive] 84 | typedef __float128 _Float128; | ^~~~~~~~~ In file included from /usr/include/ia64-linux-gnu/bits/floatn.h:117: /usr/include/ia64-linux-gnu/bits/floatn-common.h:214:9: error: multiple types in one declaration 214 | typedef float _Float32; | ^~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:214:15: error: declaration does not declare anything [-fpermissive] 214 | typedef float _Float32; | ^~~~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:251:9: error: multiple types in one declaration 251 | typedef double _Float64; | ^~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:251:16: error: declaration does not declare anything [-fpermissive] 251 | typedef double _Float64; | ^~~~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:268:9: error: multiple types in one declaration 268 | typedef double _Float32x; | ^~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:268:16: error: declaration does not declare anything [-fpermissive] 268 | typedef double _Float32x; | ^~~~~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:285:14: error: multiple types in one declaration 285 | typedef long double _Float64x; | ^~~~~~ /usr/include/ia64-linux-gnu/bits/floatn-common.h:285:21: error: declaration does not declare anything [-fpermissive] 285 | typedef long double _Float64x; | ^~~~~~~~~