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Re: [PATCH] Re: dwarf2out change breaks ada and libstdc++ on solaris too

On Feb 3, 2004, at 2:23 PM, Jason Merrill wrote:

On Tue, 3 Feb 2004 09:44:24 -0800, Devang Patel <> wrote:

It seems I broke all targets that do not supply target specific
routine to build builtin va_list. These targets use standard
builtin va_list that is just void *.

It's not clear to me why that's a problem.
     /* For TYPE_DECL, lookup TREE_TYPE.  */
     if (TREE_CODE (decl) == TYPE_DECL)
!     {
!       tree v = root_type (TREE_TYPE (decl));
!       if (v && TREE_CODE (v) == VOID_TYPE)
!       /* Can not force die VOID_TYPE.  */
!       return;
!       at_import_die = force_type_die (TREE_TYPE (decl));
!     }

Why is this necessary? We can cope with void* in other contexts.

typedef __builtin_va_list __gnuc_va_list; typedef __gnuc_va_list va_list; namespace std { using ::va_list; }

base_type_die()  and add_type_attribute() do not generate DIE for
VOID_TYPE. In other contexts we just don't generate DIE. Here we
need DIE for DW_TAG_imported_decl. Which means force_type_die() fails.


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