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[Bug ada/72740] gnat.dg/specs/access[12].ads ICE when compiling with -g
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Aug 2016 13:18:56 +0000
- Subject: [Bug ada/72740] gnat.dg/specs/access[12].ads ICE when compiling with -g
- Auto-submitted: auto-generated
- References: <bug-72740-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72740
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-08-10
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> the issue is that we have recursive pointer types and blow the stack when
> dwarf2out calls verify_type which calls variably_modified_type_p:
>
> (gdb) p type->typed.type->typed.type
> $3 = <pointer_type 0x7ffff6525a80 access2__inc>
> (gdb) p type->typed.type->typed.type->typed.type
> $4 = <pointer_type 0x7ffff6525888 access2__priv>
> (gdb) p type->typed.type->typed.type->typed.type->typed.type
> $5 = <pointer_type 0x7ffff6525a80 access2__inc>
>
> not sure how to best represent such a structure. Maybe
> variably_modified_type_p needs adjustment?
Do you mean something similar to what Jan added in get_alias_set?