On Wed, 26 Feb 2025, Jakub Jelinek wrote: > Hi! > > r15-209 allowed flexible array members inside of unions, but as the > following testcase shows, not everything has been adjusted for that. > Unlike structures, in unions flexible array member (as an extension) > can be any of the members, not just the last one, as in union all > members are effectively last. > The first hunk is about an ICE on the initialization of the FAM > in union which is not the last FIELD_DECL with a string literal, > the second hunk just formatting fix, third hunk fixes a bug in which > we were just throwing away the initializers (except for with string literal) > of FAMs in unions which aren't the last FIELD_DECL, and the last hunk > is to diagnose FAM errors in unions the same as for structures, in > particular trying to initialize a FAM with non-constant or initialization > in nested context. > > Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
OK. -- Joseph S. Myers josmy...@redhat.com
