https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70884
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #38382|0 |1 is obsolete| | --- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- Created attachment 38383 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38383&action=edit More correct testcase The original one probably has undefined behavior in ISO C.