On Thu, Jul 20, 2023 at 12:11 AM Roger Sayle <ro...@nextmovesoftware.com> wrote:
>
>
> This patch resolves PR c/110699, an ICE-after-error regression, by adding
> a check that the array type isn't error_mark_node in gimplify_compound_lval.
>
> This patch has been tested on x86_64-pc-linux-gnu with make bootstrap
> and make -k check, both with and without --target_board=unix{-m32}
> with no new failures. Ok for mainline?
Can you change it to
if (error_operand_p (TREE_OPERAND (t, 0))
return GS_ERROR;
and do that unconditionally for each 't' on the expr_stack? It seems we only
ever push handled_component_p to it.
OK with that change.
Richard.
>
>
> 2023-07-19 Roger Sayle <ro...@nextmovesoftware.com>
>
> gcc/ChangeLog
> PR c/110699
> * gimplify.cc (gimplify_compound_lval): For ARRAY_REF and
> ARRAY_RANGE_REF return GS_ERROR if the array's type is
> error_mark_node.
>
> gcc/testsuite/ChangeLog
> PR c/110699
> * gcc.dg/pr110699.c: New test case.
>
>
> Cheers,
> Roger
> --
>
