https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78949
prathamesh3492 at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |prathamesh3492 at gcc dot gnu.org --- Comment #2 from prathamesh3492 at gcc dot gnu.org --- Hi, I am able to reproduce with r243961. ../stage1-build/gcc/cc1plus -Wunused 78949.c void f() 78949.c:6:10: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] xmmb_t x = { }; However not reproducible with cc1. Thanks, Prathamesh