On Sat, 13 Jul 2024, Martin Uecker wrote: > This marks structures which include a byte array > as typeless storage for all C language modes. > > > Bootstrapped and regression tested on x86_64. > > > > > c: Add support for byte arrays in C2Y > > To get correct aliasing behavior requires that structures and unions > that contain a byte array, i.e. an array of non-atomic character > type (N3254), are marked with TYPE_TYPELESS_STORAGE. This change > affects also earlier language modes. > > gcc/c/ > * c-decl.cc (grokdeclarator, finish_struct): Set and > propagate TYPE_TYPELESS_STORAGE. > > gcc/testsuite/ > * gcc.dg/c2y-byte-alias-1.c: New test. > * gcc.dg/c2y-byte-alias-2.c: New test. > * gcc.dg/c2y-byte-alias-3.c: New test.
OK. -- Joseph S. Myers josmy...@redhat.com
