https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124124
--- Comment #22 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Tomasz Kaminski <[email protected]>: https://gcc.gnu.org/g:3a41229f92022bfb388911854d597721fce76714 commit r16-7911-g3a41229f92022bfb388911854d597721fce76714 Author: Tomasz KamiÅski <[email protected]> Date: Thu Mar 5 08:57:24 2026 +0100 libstdc++: Fix atomic/cons/zero_padding.cc test for arm-none-eabi [PR124124] The test uses dg-require-atomic-cmpxchg-word that checks if atomic compare exchange is available for pointer sized integers, and then test types that are eight bytes in size. This causes issue for targets for which pointers are four byte and libatomic is not present, like arm-none-eabi. This patch addresses by using short member in TailPadding and MidPadding, instead of int. This reduces the size of types to four bytes, while keeping padding bytes present. PR libstdc++/124124 libstdc++-v3/ChangeLog: * testsuite/29_atomics/atomic/cons/zero_padding.cc: Limit size of test types to four bytes. Reviewed-by: Jonathan Wakely <[email protected]> Signed-off-by: Tomasz KamiÅski <[email protected]>
