https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117475
--- Comment #13 from Andreas Schwab <sch...@linux-m68k.org> --- > Note again the only reason clang 17 from opensuse works is because it is > using GCC's libstdc++ from GCC 7 This is not true. $ clang -Wall -Wextra -std=c++20 -pedantic -S atomic.cc -v clang version 17.0.6 Target: x86_64-suse-linux Thread model: posix InstalledDir: /usr/bin Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/11 Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/12 Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/13 Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/7 Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/8 Found candidate GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/9 Selected GCC installation: /usr/bin/../lib64/gcc/x86_64-suse-linux/13 Candidate multilib: .;@m64 Selected multilib: .;@m64 (in-process) "/usr/bin/clang-17" -cc1 -triple x86_64-suse-linux -S -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name atomic.cc -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -v -fcoverage-compilation-dir=/suse/schwab/src/test -resource-dir /usr/lib64/clang/17 -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13 -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/x86_64-suse-linux -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/backward -internal-isystem /usr/lib64/clang/17/include -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../x86_64-suse-linux/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wall -Wextra -pedantic -std=c++20 -fdeprecated-macro -fdebug-compilation-dir=/suse/schwab/src/test -ferror-limit 19 -fgnuc-version=4.2.1 -fno-implicit-modules -fcxx-exceptions -fexceptions -fcolor-diagnostics -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o atomic.s -x c++ atomic.cc clang -cc1 version 17.0.6 based upon LLVM 17.0.6 default target x86_64-suse-linux ignoring nonexistent directory "/include" #include "..." search starts here: #include <...> search starts here: /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13 /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/x86_64-suse-linux /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/backward /usr/lib64/clang/17/include /usr/local/include /usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../x86_64-suse-linux/include /usr/include End of search list.
