On Fri, 8 Aug 2025, Martin Uecker wrote: > diff --git a/gcc/c/c-tree.h b/gcc/c/c-tree.h > index bb0b113754e..372fcbd8aa1 100644 > --- a/gcc/c/c-tree.h > +++ b/gcc/c/c-tree.h > @@ -80,6 +80,11 @@ along with GCC; see the file COPYING3. If not see > /* For a PARM_DECL, nonzero if it was declared as an array. */ > #define C_ARRAY_PARAMETER(NODE) DECL_LANG_FLAG_0 (NODE) > > +/* For FUNCTION_DECLs, evaluates true if the decl is a nested > + function that requires a non-local context. */ > +#define C_FUNC_NONLOCAL_CONTEXT(EXP) \ > + DECL_LANG_FLAG_4 (FUNCTION_DECL_CHECK (EXP))
Given that DECL_LANG_FLAG_4 is also used for C_DECL_REGISTER, I think C_DECL_REGISTER should be made to check (via TREE_NOT_CHECK) that it isn't used on a FUNCTION_DECL, to ensure the uses don't conflict. -- Joseph S. Myers josmy...@redhat.com
