[Bug d/110959] gdc: internal compiler error: in layout_aggregate_type in recursive templated class

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110959

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Iain Buclaw
<ibuc...@gcc.gnu.org>:

https://gcc.gnu.org/g:3cf5a511e253876279462b1de08cfd8f5f804242

commit r12-9817-g3cf5a511e253876279462b1de08cfd8f5f804242
Author: Iain Buclaw <ibuc...@gdcproject.org>
Date:   Tue Aug 15 16:56:42 2023 +0200

    d: Fix internal compiler error: in layout_aggregate_type, at d/types.cc:574

    This ICE is specific to the D front-end language version in GDC 12.

            PR d/110959

    gcc/d/ChangeLog:

            * dmd/canthrow.d (Dsymbol_canThrow): Use foreachVar.
            * dmd/declaration.d (TupleDeclaration::needThis): Likewise.
            (TupleDeclaration::foreachVar): New function.
            (VarDeclaration::setFieldOffset): Use foreachVar.
            * dmd/dinterpret.d (Interpreter::visit (DeclarationExp)): Likewise.
            * dmd/dsymbolsem.d (DsymbolSemanticVisitor::visit
(VarDeclaration)):
            Don't push tuple field members to the scope symbol table.
            (determineFields): Handle pushing tuple field members here instead.
            * dmd/dtoh.d (ToCppBuffer::visit (VarDeclaration)): Visit all tuple
            fields.
            (ToCppBuffer::visit (TupleDeclaration)): New function.
            * dmd/expression.d (expandAliasThisTuples): Use foreachVar.
            * dmd/foreachvar.d (VarWalker::visit (DeclarationExp)): Likewise.
            * dmd/ob.d (genKill): Likewise.
            (checkObErrors): Likewise.
            * dmd/semantic2.d (Semantic2Visitor::visit (TupleDeclaration)):
Visit
            all tuple fields.

    gcc/testsuite/ChangeLog:

            * gdc.dg/pr110959.d: New test.
            * gdc.test/runnable/test23010.d: New test.